Rubber sole STRETCH MATERIAL: Upper with stretch breathable ultra light weight fabric for fast draining and cross ventilation, give excellent flexible and comfortable. ELASTIC BAND: Elastic band with removable shoeslaces help adjust the shoes according to the width of the feet quickly, convenient and did not step on the troubles of shoelaces. FLEXIBLE&LIGHTWEIGHT: Take advantage of the textile, high-quality flexible and lightweight style fits your barefoot skin perfectly and make you feel like wearing socks. NON-SLIP&FOOT SAFETY: Thicken outsole with stronger traction, prevent you from slipping in slippery conditions. Durable rubber soles with comfortable thicken honeycomb structure insole, protect your feet from getting hurt by rock and stone. Occasion: Perfectly design for swimming, surfing, water sports, beach sports, sailing, yoga, water aerobics sports etc. Nice Choice for Family Outdoor Activities.