Ultra Boost UB21 Y-3

Short Description
Where innovation meets high fashion. The Ultra Boost UB21 Y-3 combines Adidas’ world-renowned BOOST technology with Yohji Yamamoto’s bold Y-3 design language — delivering the ultimate fusion of performance, comfort, and avant-garde style. ⚡👟

Key Features
👟 Silhouette: Y-3 x Ultra Boost 21 (Unisex / Lifestyle & Running Shoe)
🧵 Premium Primeknit+ upper ensures adaptive fit, breathability, and lightweight comfort
💨 BOOST midsole provides exceptional cushioning and responsive energy return
🦶 Stretchweb outsole with Continental™ rubber delivers durable grip and smooth traction
🎯 Minimalist Y-3 detailing for a sleek and luxurious finish
🌿 Made with recycled materials for sustainable, high-end performance

Specifications
🆔 Style code: Y-3 UB21
🎨 Color: Core Black / Cloud White / Matte Silver
⬆️ Low-top lifestyle-performance silhouette
📦 Packaged in official Y-3 x Adidas box

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

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