? MATERIAL: 92% Nylon, 4% Polyester, 4% Elastane NOT WATERPROOF Upper. Breathable Ultra light fabric with stretch on uppers, flexible and comfortable, feel like barefoot. 100% TPE Sole, Eco-friendly. ?RANDY SUN is specially designed to the men, women, youth, boys and girls who seeks a sleek style and high quality products at a reasonable price. We devote to designed and developed in Waterproof,Windproof hiking trekking skiing golf outdoor sports shoes/socks and NOT WATERPROOF BEACH shoes/socks. We take great pride in the quality of our products and the fact that it can be purchased at a price that makes everybody satisfied. RANDY SUN is not the cheapest,but it is the best! Elastic closure ?Safety Protection Barefoot Socks/Shoes: Wearable and top-quality TPE outsole, which protects your feet from being hurt by stone or sea shell on the beach. Non slip soles keep you from slipping or falling on slippery surface such as rocks. ?Ultra Lightweight: Super lightweight and flexible, make you feel great freedom and comfortable in wearing. It can activate all of your feet muscle and tendon, and allow your feet to adapt to the ground perfectly. Allowing users to easily put on and take off. The sole of beach socks is flexible to bend roll and keep its shape after. Occupy less space, suitable for travel, trip, vacation, holiday. You can carry them in your backpack, suitcase or even your pocket! ?Comfortable Fit: Ultra-light and stretchy soft uppers, like socks, fit perfectly on your foot and give you the feeling of bare feet. Anti-slip rubber sole are flexible yet thick enough to protect your feet from stepping on rock and stone. Machine washable, you can just slip them in your washing machine. Do not bleach. set a gentle cycle (30??C/86??F) and you??re good to go! ?SIZE: X-Small: US Unisex 3.5-4(Sole Length 8.27in?; Small: US Unisex 4.5-6(Sole Length 9.06in?; Medium: US Unisex 6.5-7.5(Sole Length 9.84in?; Large: US Unisex 8-9(Sole Length 10.64in?; X-Large: US Unisex 9.5-11(Sole Length 11.42in). Durable, Soft Touch. No-toxic safe sole and upper materials. Take our weather, fatigue, temperature resistant, eco-friendly beach socks shoes when you go to vacation and enjoy your free time. ?Multi-use Beach Socks/Shoes: You can use the socks in many occasions, such as water aerobics, snorkeling, canoeing, kayaking, swimming, sailing, wake-boarding, windsurfing, sand playing, water sports, water park, water class, cruise, hanging out, aqua zumba, aqua therapy, water park employees, waterfall hikes, beach volleyball, yoga training, beach, pool, weight training, boating, jogging, walking, fishing, gardening, lawn and driving, family outings, while becoming closer to nature.