These Keen Women's Clearwater CNX Sandals are designed to keep you comfortable while also providing you with a safe and secure footing. The durable polyester material is cut in a web design that allows your foot to remain open to the air. It is cool enough to wear for a workout, and it helps to deflect sharp objects that might injure your feet. The rubber soles have a traction grip that improves your stability. Arch support improves the fit and helps your feet to resist the effects of fatigue. They are water resistant and machine washable.Great pre-owned condition!S2