adidas Ultra Boost 21

– FY0306

Short Description
Run with unmatched comfort and style in the R18-24 UltraBoost 21 FY0306. Engineered with Adidas’ BOOST cushioning and a Primeknit+ upper, this sneaker offers superior energy return, adaptive fit, and modern aesthetics — perfect for runners and active lifestyles. ⚡👟

Key Features
👟 Silhouette: UltraBoost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper delivers adaptive support, breathability, and lightweight flexibility
💨 BOOST midsole provides premium cushioning and explosive energy return
🦶 Stretchweb outsole with Continental™ rubber ensures durable traction and stability
🎯 Linear Energy Push system enhances propulsion and responsiveness
🌿 Made using recycled materials — combining sustainability and performance

Specifications
🆔 Style code: FY0306
🎨 Color: Core Black / Cloud White / Solar Red
⬆️ Low-top running silhouette
📦 Packaged in official Adidas UltraBoost box

Size & Fit
📏 Fits true to size for most runners
🧠 For a more relaxed or looser 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