Ultra Boost 21 UB21 – S23836

Short Description
Step into next-level performance. The Ultra Boost 21 UB21 S23836 combines cutting-edge BOOST technology with a precision-engineered Primeknit+ upper for unmatched energy return, comfort, and sleek modern style — perfect for runners and everyday wearers alike. ⚡👟

Key Features
👟 Silhouette: Ultra Boost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper offers adaptive fit, breathability, and flexible support
💨 BOOST midsole delivers superior cushioning and explosive energy return
🦶 Stretchweb outsole with Continental™ rubber provides ultimate traction and durability
🎯 Linear Energy Push system enhances responsiveness and forward propulsion
🌿 Made with recycled materials — supporting a more sustainable future

Specifications
🆔 Style code: S23836
🎨 Color: Cloud White / Core Black / Solar Yellow
⬆️ Low-top running silhouette for optimal movement
📦 Packaged in official Adidas Ultra Boost box

Size & Fit
📏 Fits true to size for most runners
🧠 For a more relaxed fit, consider sizing up half a size

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