- Polyester, Nylon and Recycled Pet Waterproof Top Tapes Dry Quickly After Contact With Water And Perfectly Hold Everyday Use. - Padded heel wedge provides great comfort. The straps provide an easy grip and great adjustability. - The Velcro closure system is easy to put on and take off and allows a perfect fit to the foot. - Eva Rubber In The Midsole Provides Light Padding. - The Nylon Structure Provides Stability And Clamps The Foot In Irregular Terrain. - The Rough Rubber Of The Soles Resists Daily Use And Provides A Good Grip On Irregular Terrain. - Durabrasion rubber outsole is extremely resistant and provides a great grip.