{"product_id":"nike-mens-alphafly-4-racing-shoes-sea-glass-burgundy-ash-laser-crimson","title":"Nike Men's Alphafly 4 Racing Shoes - Sea Glass\/Burgundy Ash\/Laser Crimson","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNike Men's Alphafly 4 Racing Shoes – Sea Glass\/Burgundy Ash\/Laser Crimson\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e deliver next-generation racing performance with an exceptionally lightweight design, advanced energy-return technology, and powerful carbon-plated propulsion. Engineered for competitive runners seeking speed, efficiency, and responsive cushioning, the Alphafly 4 combines an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eupdated Air Zoom unit, dual ZoomX cushioning, a wide carbon fiber Flyplate, and an advanced Atomknit upper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to create an energetic, propulsive ride designed for marathon racing and personal-best performances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe distinctive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSea Glass\/Burgundy Ash\/Laser Crimson\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e colorway combines refreshing Sea Glass tones with rich Burgundy Ash accents and vibrant Laser Crimson highlights, creating a bold, modern appearance that complements the shoe's elite racing technology. Its dynamic combination of colors gives the Alphafly 4 a distinctive race-day look while maintaining the streamlined silhouette of Nike's iconic performance footwear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLighter than its predecessors, the Alphafly 4 introduces significant updates to Nike's legendary racing platform. For the first time in Alphafly history, Nike has redesigned the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAir Zoom unit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to provide a softer, quieter underfoot feel while delivering increased energy return. This innovative cushioning system helps create an exceptionally responsive ride designed to maintain momentum throughout demanding race distances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 also introduces an advanced \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edual ZoomX cushioning system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, combining traditional ZoomX foam with the lighter \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eZoomX LT foam\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Together, these premium foams deliver a springy, energetic sensation with smoother transitions and reduced overall weight, helping runners maintain efficient movement throughout long-distance races.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewide carbon fiber Flyplate\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides powerful forward propulsion while maintaining the stability needed for marathon running. Combined with the updated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAtomknit upper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, strategically placed ventilation zones, and supportive midfoot cables, the Alphafly 4 delivers a secure, breathable, and performance-focused fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8 mm heel-to-toe drop\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and an approximate weight of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e188 g (6.6 oz) in a men's US size 8.5\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the Nike Alphafly 4 is engineered for runners seeking exceptional energy return, lightweight cushioning, and elite-level racing performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUpdated Air Zoom Unit \u0026amp; Enhanced Energy Return\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 introduces a redesigned \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAir Zoom unit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, representing the first major update to this cushioning component in the Alphafly collection's history.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered to provide a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esofter and quieter underfoot experience\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the updated Air Zoom system delivers responsive cushioning while reducing the pronounced sensation associated with earlier versions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNike designed the new unit to provide \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003egreater energy return\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, helping runners maintain a lively, efficient stride during competitive racing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe responsive Air Zoom technology works alongside the shoe's premium foam cushioning to create an energetic sensation through each step.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdditional cushioning beneath the curved forefoot further enhances comfort and smoothness, making the Alphafly 4 particularly appealing for runners seeking responsive performance over marathon distances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're accelerating through the early miles or maintaining your pace late in a race, the updated Air Zoom unit helps deliver the energetic responsiveness needed for high-performance running.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDual ZoomX Foam \u0026amp; Lightweight Responsive Cushioning\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 features an innovative \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edual ZoomX cushioning system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, combining two premium foam technologies to provide exceptional energy return with reduced weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTraditional \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eZoomX foam\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, Nike's highest-energy-return foam, works together with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eZoomX LT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the lightest version of Nike's most responsive cushioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe two foams are strategically combined to create a lighter, springier ride while supporting smooth transitions throughout the running stride.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis advanced cushioning system helps deliver the soft, responsive feel competitive runners appreciate without adding unnecessary weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe updated foam construction also contributes to the Alphafly 4's improved energy return, making it a strong option for runners seeking a highly efficient racing shoe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom fast-paced training sessions to marathon race day, the dual ZoomX system provides the cushioning and responsiveness needed for demanding running efforts.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWide Carbon Fiber Flyplate \u0026amp; Powerful Propulsion\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 incorporates a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewide carbon fiber Flyplate\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed to deliver powerful forward propulsion while maintaining a stable running platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis advanced plate works alongside the responsive Air Zoom unit and dual ZoomX cushioning to create an efficient, performance-focused racing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe wide construction helps provide stability beneath the foot, supporting confident movement as runners maintain speed over extended distances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts carbon fiber design contributes to a propulsive sensation during toe-off, helping create smooth and energetic forward transitions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're competing in a marathon or chasing a personal record at a shorter road race, the Flyplate provides the forward-driving performance expected from Nike's elite racing footwear.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAdvanced Atomknit Upper \u0026amp; Enhanced Breathability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 features an updated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAtomknit upper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered to deliver lightweight breathability, secure comfort, and a streamlined racing fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStrategically placed \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eopen-hole mesh zones\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e enhance airflow, helping maintain ventilation during demanding running efforts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis breathable construction is particularly beneficial during long-distance races, when managing heat and moisture can contribute to overall comfort.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe lightweight Atomknit material minimizes unnecessary bulk while maintaining the structure needed for high-performance running.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCombined with the shoe's responsive cushioning and carbon-plated construction, the updated upper creates a comfortable, race-focused fit designed for speed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMidfoot Cables \u0026amp; Secure Racing Fit\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 incorporates \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esupportive midfoot cables\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e within its updated Atomknit upper, designed to improve foot containment during running.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThese strategically positioned cables help keep the foot securely positioned as the pace increases.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe enhanced containment system works with the lightweight upper to create a supportive fit without sacrificing breathability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis combination helps runners feel more connected to the shoe's responsive cushioning and propulsive platform.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're navigating turns, maintaining a steady marathon pace, or accelerating toward the finish line, the secure midfoot construction supports confident movement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCurved Forefoot Geometry \u0026amp; Smooth Transitions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Alphafly 4 features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecurved forefoot design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, engineered to support smooth forward movement throughout the running stride.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNike has added cushioning beneath the curved forefoot to create a softer, more comfortable transition during toe-off.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis updated geometry works alongside the Air Zoom unit, dual ZoomX foam, and carbon fiber Flyplate to create an energetic, rolling sensation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe combination of cushioning and propulsion helps support efficient movement during fast-paced road running.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor runners seeking a smooth, responsive racing experience, the Alphafly 4 delivers a thoughtfully engineered balance of cushioning, stability, and forward momentum.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUltralight Construction \u0026amp; Marathon Racing Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWeighing approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e188 g (6.6 oz) in a men's US size 8.5\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the Alphafly 4 delivers advanced racing technology in an exceptionally lightweight package.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNike has reduced weight while improving energy return through updates to the Air Zoom unit and the introduction of ZoomX LT foam.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe shoe's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8 mm heel-to-toe drop\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e complements its responsive cushioning and propulsive construction, creating a performance-oriented platform for competitive running.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned with marathon racing in mind, the Alphafly 4 combines lightweight materials, advanced cushioning, and carbon fiber technology to help runners maintain efficient movement over long distances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're preparing for a major race, chasing a personal record, or looking for Nike's most advanced racing technology, the Alphafly 4 offers a premium combination of speed, responsiveness, and comfort.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUpdated Air Zoom Unit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Redesigned cushioning delivers a softer, quieter feel with increased energy return.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDual ZoomX Cushioning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Combines two premium foam technologies for lightweight responsiveness and smooth transitions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eZoomX Foam:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nike's highest-energy-return foam provides energetic cushioning for competitive running.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eZoomX LT Foam:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The lightest version of Nike's most responsive cushioning helps reduce weight while maintaining performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWide Carbon Fiber Flyplate:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Enhances forward propulsion while providing a stable platform for marathon racing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEnhanced Energy Return:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Updated cushioning technologies create a springier, more efficient running experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdvanced Atomknit Upper:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lightweight construction delivers breathability and a streamlined racing fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOpen-Hole Mesh Zones:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strategically positioned ventilation areas enhance airflow during demanding runs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMidfoot Containment Cables:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Help secure the foot for improved stability and confidence at faster paces.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCurved Forefoot Geometry:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supports smooth, efficient forward transitions throughout the stride.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAdditional Forefoot Cushioning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides a softer feel beneath the curved forefoot.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e8 mm Heel-to-Toe Drop:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Creates a performance-focused racing platform with a slightly elevated heel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUltralight Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Weighs approximately 188 g in a men's US size 8.5.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSofter, Quieter Ride:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Updated Air Zoom technology reduces the underfoot noise and firmness of previous versions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMarathon-Focused Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered for competitive long-distance road racing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCarbon-Plated Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Combines advanced cushioning with propulsive carbon fiber technology.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSea Glass\/Burgundy Ash\/Laser Crimson Colorway:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Features refreshing Sea Glass tones, rich burgundy accents, and vibrant crimson highlights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eBest For\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMarathon racing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompetitive road racing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePersonal record attempts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLong-distance racing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eElite-level running performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCarbon-plated racing shoes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLightweight racing footwear\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-energy-return running\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eResponsive cushioning\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFast-paced road running\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRace-day performance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRunners seeking powerful propulsion\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEfficient forward transitions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBreathable performance footwear\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRunners seeking premium Nike racing technology\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompetitive runners focused on speed and efficiency\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCategory:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Men's Road Racing Shoes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nike\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Alphafly 4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStyle:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carbon-Plated Performance Racing Shoe\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBest For:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marathon Racing \u0026amp; Competitive Road Running\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrimary Cushioning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ZoomX Foam\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSecondary Cushioning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ZoomX LT Foam\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCushioning System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Dual ZoomX Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eForefoot Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Updated Air Zoom Unit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAir Zoom Benefits:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Softer Feel, Quieter Performance \u0026amp; Increased Energy Return\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlate Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carbon Fiber Flyplate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlate Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wide Carbon Fiber Design\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePlate Benefits:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Propulsion \u0026amp; Stability\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUpper Technology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Atomknit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUpper Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lightweight Knit With Open-Hole Mesh Zones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBreathability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Strategically Positioned Ventilation Zones\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMidfoot Support:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Integrated Containment Cables\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eForefoot Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Curved Geometry With Additional Cushioning\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeel-to-Toe Drop:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 188 g \/ 6.6 oz (Men's US Size 8.5)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eClosure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lace-Up\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSurface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Road\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrimary Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Marathon Racing, Road Racing \u0026amp; Competitive Running\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eColor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sea Glass\/Burgundy Ash\/Laser Crimson\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Color Description:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Sea Glass\/Laser Crimson\/Phantom\/Burgundy Ash\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStyle Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e IU4686-002\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy You'll Love Them\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNike Men's Alphafly 4 Racing Shoes – Sea Glass\/Burgundy Ash\/Laser Crimson\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e deliver Nike's latest racing innovations in an exceptionally lightweight, responsive design. Featuring an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eupdated Air Zoom unit, dual ZoomX cushioning with ZoomX LT foam, and a wide carbon fiber Flyplate\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, they provide powerful propulsion, enhanced energy return, and smooth transitions designed to support competitive running performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdd in the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebreathable Atomknit upper\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, supportive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emidfoot containment cables\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, additional forefoot cushioning, and ultralight \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e188 g construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and the Alphafly 4 becomes an excellent choice for runners seeking premium marathon racing technology. The distinctive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSea Glass\/Burgundy Ash\/Laser Crimson\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e colorway completes the package with a bold, modern appearance that matches its elite-level performance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Nike","offers":[{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 8","offer_id":67843161882989,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 8.5","offer_id":67843161915757,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 9","offer_id":67843161948525,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 9.5","offer_id":67843161981293,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 10","offer_id":67843162014061,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 10.5","offer_id":67843162046829,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":true},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 11","offer_id":67843162079597,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 11.5","offer_id":67843162112365,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":true},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 12","offer_id":67843162145133,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 12.5","offer_id":67843162177901,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 13","offer_id":67843162210669,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 14","offer_id":67843162243437,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false},{"title":"Sea Glass\/Burgundy Ash\/Laser Crimson \/ 15","offer_id":67843162276205,"sku":"IU4686-002","price":279.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1218\/1370\/files\/nike-mens-alphafly-4-racing-shoes-sea-glassburgundy-ashlaser-crimsonseliga-shoesathletic-6940695.png?v=1793263160","url":"https:\/\/seligashoes.com\/products\/nike-mens-alphafly-4-racing-shoes-sea-glass-burgundy-ash-laser-crimson","provider":"Seliga Shoes","version":"1.0","type":"link"}