The upper is made of particularly stretchy and breathable material. Like socks, comfortable and lightweight. Easy to put on and take off, walk barefoot. Lightweight and flexible, you feel very free and comfortable to wear. Lightweight and compressible for easy storage, convenient for leisure or any other sporting activity that effectively helps to train foot muscles. Outer Material: Synthetic Inner Material: Rubber The water shoes are made of hard-wearing and highly elastic material with strong moisture transport, quick-drying and comfortable to wear. Sole: Rubber The water shoes are made of hard-wearing and highly elastic material with strong moisture transport, quick-drying and comfortable to wear. Closure: Pull On Heel Height: 0.5 Heel Type: Flat Shoe Width: Medium Rubber outsole and foot safety: The updated new sole provides high wear resistance and durable protection that protects your feet from bumps and sharp objects. Convex points improve slip resistance and provide strong friction when walking. Slip on occasion: perfect for beach, diving, snorkelling, shower, swimming, pool, bodybuilding, boating and sailing, parasailing, kayaking, yoga, dancing, windsurfing, cycling, bath, jogging, fishing, beach volleyball, garden, water gymnastics. Show More