SKORA Men's Base-M 100% Synthetic and Mesh Imported Rubber sole Sockfit synthetic stretch-mesh upper with nylon x-strap Curved outsole with flex grooves and zero heel-toe height differential to mirror the foots natural shape and movement High-density outsole/midsole offers better durability, ground feel, and just enough cushioning Wide toe box for natural foot placement and comfort Adjustable heel strap for custom fit