UltraBoost 21 UB21 – FY0306

Short Description
Run stronger, go further. The UltraBoost 21 UB21 FY0306 delivers cutting-edge performance with its Primeknit+ upper and responsive BOOST midsole — providing unmatched comfort, energy return, and modern style for every run. ⚡👟

Key Features
👟 Silhouette: UltraBoost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper ensures adaptive fit, breathability, and lightweight flexibility
💨 BOOST midsole provides superior cushioning and maximum energy return
🦶 Stretchweb outsole with Continental™ rubber guarantees excellent grip and durability
🎯 Linear Energy Push system improves stability and forward propulsion
🌿 Made with recycled materials for a sustainable performance edge

Specifications
🆔 Style code: FY0306
🎨 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 runners
🧠 For a more relaxed fit, consider sizing up half a size

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