Joining Nikes July 2019 Air Max 270 React lineup . the Op-Art edition features a Black and Vast Grey layered suede upper with a white React foam midsole underfoot. Utilizing a bar tack technique . a floating eyestay keeps laces in place and gives the shoe an identity of its own. Flaunting a large Air Max 270 unit underfoot . the lifestyle shoe is engineered with a full-length React midsole . providing lightweight cushioning and responsiveness below.