●Material: mesh ●Outer Material: Mesh ●Heel Type: Flat ●Closure: Lace-Up ●The one-piece woven mesh is breathable, preventing heat buildup and provides a refreshing fit ●Outstanding fit, feels speed! Raise your pace and focus on your speed ●The sole has been specially treated to prevent slipping. The more you wear it, the more it will conform to the shape of your foot