Short Description
Experience comfort and power in motion. The Ultra Boost 21 UB21 FY0371 delivers unmatched energy return and support through its full-length BOOST midsole and adaptive Primeknit+ upper — designed to keep you running stronger, longer. ⚡👟

Key Features
👟 Silhouette: Ultra Boost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper provides a flexible, breathable, and supportive fit
💨 BOOST midsole offers superior cushioning and energy return for all-day comfort
🦶 Stretchweb outsole with Continental™ rubber ensures maximum traction and durability
🎯 Linear Energy Push system enhances forward motion and responsiveness
🌿 Made with recycled materials — combining performance with eco-conscious design

Specifications
🆔 Style code: FY0371
🎨 Color: Cloud White / Core Black / Solar Yellow
⬆️ Low-top running profile built for speed and endurance
📦 Packaged in official Adidas Ultra Boost box

Size & Fit
📏 Fits true to size for most runners
🧠 For a slightly looser feel, consider going up half a size

Care
🧼 Clean gently with mild soap and a soft brush or cloth
🌬️ Air dry naturally — avoid direct sunlight or heat sources