Anatomical footbed, adjustable upper, superior wet traction and durability make this the perfect sandal for in and around water. Full grain leather upper with FluidFRAME? multi-density underfoot support. - UPPER- Full grain leather upper- MIDSOLE- Techlite? midsole for long lasting comfort, superior cushion, high energy return- OUTSOLE- Omni-Grip? non-marking wet traction rubber- FluidFrame? multidensity underfoot supportTechnology:- Techlite?: Cushioning midsole- OMNI-GRIP®: Advanced TractionColumbia Big Water is available in different options and characteristics. Choose the one that fits your needs the best and receive it at home in a few days. In addition, in the online running & triathlon store you can find Columbia Big Water related products. Our selection of Sandals products are designed to give you complete confidence, no matter of the intensity of the workout or sport activity.