Hydropel water resistant technology.nIsotex waterproofing.nRubberized toe and heel bumpers.nStabilizing shank technology.nInner: Synthetic, Upper Material: Synthetic, Sole: Rubber.nHydropel water resistant technology. Isotex waterproofing. Rubberized toe and heel bumpers. Stabilizing shank technology. Inner: Synthetic, Upper Material: Synthetic, Sole: Rubber. Low Cut. Insole: EVA comfort footbed. Toe Protection.