HEAD Men's Speed Pro Lite Indoor Low-M, 80% Snythetic Leather 20% Nylon Mesh Imported Rubber sole Lateral control: A square edge of harder rubber that provides optimum lateral stability and enables quick changes in direction. HEAD Radial Contact: Outsole technology ensures a constant point of traction, providing maximum flexibility and maneuverability with optimal stability. Head Cooling System: A dynamic "climate control" system within the shoe that maintains ultimate breathability by absorbing and releasing excess heat build-up. 6 month Durability Guarantee on the outsole and toe guard. FHD00138