adidasUltra Boost 21 sneakers

Ultra Boost 21 sneakers Thanks to an improved Boost midsole, adidas' Ultra Boost 21 sneakers are the lightest to date. Bursts of violet accent the heel and signature 3-Stripes logo, standing out against a black-hued Primeknit and textile backdrop. Underfoot, the Continental™ rubber outsole offers enhanced comfort and durability.  Imported Composition Sole: Rubber 100% Outer: Fabric 100% Lining: Fabric 100%