Design: Hydrophobic webbing and thermoplastic buckles In-Shoe Comfort: Techlite™ midsole offers superior cushioning and high energy return FluidFrame™ multi-density underfoot support Antimicrobial treatment on the footbed keeps the sandals fresher for longer Durability & Traction: Omni-Grip™ non-marking wet traction rubber for optimal grip Columbia Women's Sandals