MBT Shoes Women's Sport 3 Athletic Shoe Leather/mesh lace-up leather/mesh Lightweight 3D mesh upper and lining are highly breathable Dual density midsole is made with TPU and nylon mixed with glass fibers for extra firmness and durability. - Multi-layered sole creates natural instability to emulate the feeling of walking on sand. Casual rubber outsole provides good traction and durability. - Removable insoles so that you can add your own orthotic insoles. US/UK Women's Size Equivalents: 4/35, 5/36, 6/37, 7/38, 8/39, 9/40, 10/41, 11/42, 12/43 Sizes: 5-13 - Widths: B