Care instructions Machine Wash Sole material Rubber Outer material Fabric Closure type Pull-On About this item PERFECT MATERIAL: 92% polyester+8% spandex Upper. Breathable Ultra Light fabrics with fine stretch on uppers, flexible and comfortable. Smooth designed neck prevents chafing when wearing our water shoes. FOOT SAFETY -- Wearable and top-quality EVA sole, which protects your feet from being hurt by sharp objects. Flexible and ligntweight soles are made of soft EVA material, they can absorb shock and reduce muscle fatigue in feet and legs. ULTRA LIGHTWEIGHT: Super lightweight and flexible, make you feel great freedom and comfortable in wearing.Lightweight and compressible for easy packing,convenience for leisure or any other sport activities.