【High Quality Polyester Webbing】Men's beach athletic sandals are made of high-quality and quick-dry polyester webbing, matched with soft lining material, which is breathable and skin-friendly. Also, the sandals are waterproof and can be easily used for water sports. 【Convenient Design】Open-toe sandal has 3 adjustable velcro straps with hook-and-loop closure, easy to slip on/ take off. The heel strap can be adjusted quickly and completely for a perfect fit. Adjustable hook-and-loop closures for personalized fit. Giving you the most comfortable wearing experience. 【Shock-absorbing Midsole】 Foamed EVA midsole of outdoor water sandals alleviate the impact of landing, offer great responsive cushioning; The different textures of the upper match the curves of the sole to reduce the risk of slipping on the insole. 【Traction】 The hiking sandals’ rubber outsole for higher-traction grip Multi-directional lug pattern provides superior traction; Zonal flex grooves for natural movement and increased ground contact.Ultra comfortable sole for long lasting comfort, anti-skidding, and superior cushioning. 【Quick Refund and Free Exchange】100% best customers service guaranteed: if the sandals you have received don't meet your expectations, please contact us as soon as possible. We will provide you with quick refund and free exchange.