Ultra Boost 21 UB21 – FZ1926
Short Description
Step into limitless energy. The Ultra Boost 21 UB21 FZ1926 merges cutting-edge BOOST cushioning with a dynamic Primeknit+ upper, offering the perfect balance of style, comfort, and performance for everyday runners and sneaker enthusiasts alike. ⚡👟
Key Features
👟 Silhouette: Ultra Boost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper wraps the foot for adaptive fit, breathability, and lightweight support
💨 BOOST midsole delivers exceptional cushioning and maximum energy return
🦶 Stretchweb outsole with Continental™ rubber provides premium traction and durability
🎯 Linear Energy Push system enhances forward momentum and stability
🌿 Made with recycled materials — sustainable and high-performing
Specifications
🆔 Style code: FZ1926
🎨 Color: Cloud White / Core Black / Solar Yellow
⬆️ Low-top performance silhouette with modern design lines
📦 Comes 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 a mild soap solution and soft brush or cloth
🌬️ Air dry naturally — avoid heat sources and direct sunlight