Ultra Boost 21 UB21 – FZ2056
Short Description
Redefine your running experience. The Ultra Boost 21 UB21 FZ2056 combines the signature BOOST midsole with a precision-engineered Primeknit+ upper for next-level comfort, energy return, and modern style — built for runners who never settle. ⚡👟
Key Features
👟 Silhouette: Ultra Boost 21 (Unisex / Running Shoe)
🧵 Primeknit+ upper adapts to your foot for breathable, flexible support
💨 BOOST midsole delivers unmatched cushioning and explosive energy return
🦶 Stretchweb outsole with Continental™ rubber ensures superior grip and long-lasting traction
🎯 Linear Energy Push system enhances propulsion and stability
🌿 Made with recycled materials — supporting eco-friendly innovation
Specifications
🆔 Style code: FZ2056
🎨 Color: Core Black / Cloud White / Solar Yellow
⬆️ Low-top running silhouette designed for comfort and speed
📦 Packaged in official Adidas Ultra Boost box
Size & Fit
📏 Fits true to size for most users
🧠 For a looser fit, consider going up half a size
Care
🧼 Wipe gently with mild soap and a soft cloth or brush
🌬️ Air dry naturally — avoid direct sunlight and heat