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R18 UltraBoost 21 UB21 – FY0837
Short Description
Step into the future of running with the R18 UltraBoost 21 UB21 FY0837. Designed for ultimate comfort and energy efficiency, this model combines Adidas’ iconic BOOST midsole with a breathable Primeknit+ upper — perfect for runners and sneaker lovers alike. ⚡👟
Key Features
👟 Silhouette: UltraBoost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper adapts to your foot for maximum comfort, flexibility, and ventilation
💨 BOOST midsole offers superior cushioning and explosive energy return
🦶 Stretchweb outsole with Continental™ rubber ensures exceptional grip and durability
🎯 Linear Energy Push system enhances forward motion and stability
🌿 Constructed using recycled materials — supporting performance and sustainability
Specifications
🆔 Style code: FY0837
🎨 Color: Core Black / Cloud White / Solar Yellow
⬆️ Low-top running silhouette
📦 Packaged in official Adidas UltraBoost box
Size & Fit
📏 Fits true to size for most runners
🧠 For a roomier or more relaxed fit, consider going up half a size
Care
🧼 Clean gently with mild soap and a soft cloth or brush
🌬️ Air dry naturally — avoid direct heat and sunlight