R18 UltraBoost 21 – FY0556

Short Description
Run beyond limits with the R18 UltraBoost 21 FY0556. Crafted with Adidas’ iconic BOOST midsole and adaptive Primeknit+ upper, this sneaker delivers unmatched comfort, responsiveness, and performance — built for runners who strive for more. ⚡👟

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

Specifications
🆔 Style code: FY0556
🎨 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 looser or more relaxed fit, consider going up half a size

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