NIKE Women's Free 5.0 Tr Fit 4 Drk Rsn/Vlt/Hypr Grp/Prpl Stl Training Shoe 10 Women US Synthetic Rubber sole Lightweight engineered mesh: Provides breathability and zonal support Neoprene-inspired inner sleeve: Gives added comfort and support Lightweight, durable, and cushion foam with Nike Free 5.0 training specific flexibility