adidas Womens ZX 1k Boost Running Trainer Shoe FY3630 Halo Blue / Clear Blue / Cloud White -Sizes: US 7 / UK 5.5 / EUR 38.5 US 9 / UK 7.5 / EUR 41.5 Lace closure Ripstop and synthetic suede upper Stable feel Boost and EVA midsole Rubber outsole 005028100421 Why should the best adidas techs exist only in performance footwear? Turns out, they don't have to. Sleek enough for everyday wear and packed with technology, these ZX 1K Boost Shoes are the best of both worlds. A lightweight ripstop upper accented with synthetic suede keeps the look casual, and Boost and EVA combine to create a cushioned midsole.