Rubber sole Materials: Breathable Quick Dry Stretch Upper, Ethylene Vinyl Acetate sole. Insole: breathable, comfortable and flexible insoles can absorb shock and reduce muscle fatigue in feet and legs. Portable: the unisex shoes for women and men, it's lightweight and compressible, more convenient to carry when you going out for play or sports. Easy Care: easily clean off stains or dirt by hand or machine wash and won't shrink. Occasion: beach, beach volleyball, running, yoga, dancing, cycling, fishing, garden, exploring rivers or waterfalls or mountain stream activities, swimming, diving, boating, kayaking, windsurfing, bathroom and all kinds of water sports.