NIKE Women's Free 5.0 TR Fit 4 Glcr Ic/White/Atmc Vlt/Atmc Or Training Shoe 8.5 Women US Mesh 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