adidas UltraBoost 21 'Grey Sonic Ink' (Unisex) Grey Five / Core Black / Screaming Green Running Shoes S23871

Step into these adidas Ultraboost 21 running shoes for effortless, natural movement. The lightweight, supportive adidas Primeknit+ upper won’t weigh your feet down and adapts dynamically as you run. Responsive Boost cushioning in the outsole energizes every step—making you feel like you can always go one more step, a few more meters, or even a few more kilometers.

Size Foot Length 39⅓ 245mm 40.0 250mm 40⅔ 255mm 41⅓ 260mm 42.0 265mm 42⅔ 270mm 43⅓ 275mm 44.0 280mm 44⅔ 285mm 45⅓ 290mm 46.0 295mm 48.0 310mm 46⅔ 300mm

Material: Nylon Shaft Height: Ankle Skill Level: All Water resistance level: ipx3