Salomon Women's XR Crossmax Guidance CS Trail Running Shoe 100% Synthetic and mesh Rubber sole ClimaShield waterproofing technology Patented single-pull lacing system Contagrip outsole compound This is a stability shoe designed for moderate over pronation For trail runners in need of extra arch support, Salomon offers the Crossmax Guidance CS loaded with trail-ready performance features and a Pronation Control arch unit.