Ultra Boost 21 UB21 – FZ2106
Short Description
Run with power, precision, and style. The Ultra Boost 21 UB21 FZ2106 delivers the ultimate running experience with its responsive BOOST cushioning, adaptive Primeknit+ upper, and durable Continental™ outsole — engineered for energy and endurance. ⚡👟
Key Features
👟 Silhouette: Ultra Boost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper provides adaptive support, flexibility, and breathability
💨 BOOST midsole delivers maximum cushioning and high energy return with every step
🦶 Stretchweb outsole with Continental™ rubber ensures superior traction and long-lasting durability
🎯 Linear Energy Push system enhances forward propulsion and responsiveness
🌿 Made using recycled materials — blending innovation with sustainability
Specifications
🆔 Style code: FZ2106
🎨 Color: Cloud White / Core Black / Solar Red
⬆️ Low-top performance silhouette
📦 Packaged in official Adidas Ultra Boost box
Size & Fit
📏 Fits true to size for most runners
🧠 For a looser fit, consider going up half a size
Care
🧼 Clean gently with mild soap and a soft brush or cloth
🌬️ Air dry naturally — avoid heat or direct sunlight