Ultra Boost 21 UB21 – FX7729

Short Description
Run smarter and stronger with the Ultra Boost 21 UB21 FX7729. Combining Adidas’ signature BOOST cushioning with a premium Primeknit+ upper, this model offers unmatched comfort, responsiveness, and modern athletic style — made for those who go the distance. ⚡👟

Key Features
👟 Silhouette: Ultra Boost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper ensures adaptive fit, breathability, and lightweight flexibility
💨 BOOST midsole delivers exceptional cushioning and high energy return
🦶 Stretchweb outsole with Continental™ rubber guarantees superior grip and long-lasting durability
🎯 Linear Energy Push system enhances responsiveness and propulsion
🌿 Made using recycled materials — promoting performance with sustainability

Specifications
🆔 Style code: FX7729
🎨 Color: Core Black / Cloud White / Solar Red
⬆️ Low-top performance silhouette
📦 Packaged in official Adidas Ultra Boost box

Size & Fit
📏 Fits true to size for most runners
🧠 For a looser 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 sunlight and heat