adidas Ultra Boost 21

– FY0401

Short Description
Take your performance to new heights with the R18-24 UltraBoost 21 FY0401. Combining Adidas’ BOOST cushioning with a flexible Primeknit+ upper, this sneaker delivers exceptional comfort, energy return, and modern style — perfect for runners and active lifestyles. ⚡👟

Key Features
👟 Silhouette: UltraBoost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper ensures adaptive fit, breathability, and lightweight flexibility
💨 BOOST midsole provides superior cushioning and responsive energy return
🦶 Stretchweb outsole with Continental™ rubber offers maximum traction and durability
🎯 Linear Energy Push system enhances propulsion and stability
🌿 Made using recycled materials — supporting sustainability and performance

Specifications
🆔 Style code: FY0401
🎨 Color: Core Black / Cloud White / Solar Yellow
⬆️ Low-top running silhouette
📦 Packaged in official Adidas UltraBoost 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 brush or cloth
🌬️ Air dry naturally — avoid direct heat and sunlight