Product Details Care Instructions: Machine Wash Sole Material: Ethylene Vinyl Acetate Outer Material: Ethylene Vinyl Acetate (EVA) Closure Type: Pull On About this Item One-piece EVA Injection Sandals-Inspired by the tentacles of octopus. EVA material, steady shoe-body structure, incredibly light and comfy to wear. Comfy Wide Fit-Bionics Foot-shaped Design,Loose toe-box is great for bare-foot use, granting ultimate freedom and relaxation to your walking experience. Too Comfortable to Stop Walking-Ultra Soft Thickened Sole,Provides unparalleled foot resilience and energy feedback, perfect for long distance walk. Healthy Feet Happy You-Massaging Footbed with Arch Support,Promotes air circulation to keep your feet dry and helps to improve blood circulation in the feet.Superior arch support fights foot fatigue to help you stay active for longer time. Water-friendly -water-friendly and buoyant; Perfect for beach trips!