GD Fashion Series: Skin Barefoot Stylish Shoes for Sports Water Beach Yoga Fitness Running Biking Hiking Surfing Diving Swim Boat Snokeling Indoor Outdoor (7.5~8.5 (M) US, Prime Blue) polyester Imported High-elaststicity, high-tech material (TEP) Quick-Dry fabric with water resistance Ultra-light weight (approx. 68g) Anti-Slip outsole Perfect for indoor/outdoor/water sports