These women's running shoes are designed for comfort and responsiveness. They have a Linear Energy Push system that increases forefoot and midfoot stiffness for an extra energy push in each step. Responsive Boost cushioning returns energy to your stride. These shoes are made with Primeblue, a high-performance recycled material containing Parley Ocean Plastic and a minimum of 90% recycled material in total.adidas Primeknit upperLace closureTextile liningBoost midsoleStretchweb outsole with Continental Rubber   Worn once in great condition see pics ..ask questions below please... walked in sand the only time wore them so can see that in the pic. No box unfortunately.