UltraBoost 21 UB21 – S23898

Short Description
Elevate your run with the power of innovation. The UltraBoost 21 UB21 S23898 delivers exceptional energy return, adaptive comfort, and cutting-edge performance — crafted for runners who refuse to compromise on style or speed. ⚡👟

Key Features
👟 Silhouette: UltraBoost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper ensures a flexible, adaptive fit and lightweight breathability
💨 BOOST midsole offers maximum cushioning and unmatched energy return
🦶 Stretchweb outsole with Continental™ rubber ensures superior grip and durability
🎯 Linear Energy Push system provides stability and responsiveness
🌿 Constructed with recycled materials — supporting a sustainable planet

Specifications
🆔 Style code: S23898
🎨 Color: Core Black / Cloud White / Solar Yellow
⬆️ Low-top running silhouette
📦 Packaged in official Adidas Originals box

Size & Fit
📏 Fits true to size for most users
🧠 For a looser feel, consider sizing up half a size

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