Adidas ZX 1K Boost Shoes. 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. Lace closure. Ripstop & synthetic suede upper. Boost & EVA midsole. Rubber outsole. Imported.