Smooth fabrics like socks that keep best wear-feeling even in water.Closed way:sleeveOutsole material:EVAInsole material: EVA styrofoamInsole function: medium support insoleFunction: shock absorption,anti-skid,wear-resistant,breathable,quick-drying,balance,light,package, impact resistanceApplicable people: both men and womenShoe size:36,37,38,39,40,41,42,43,44,45Product role: can be used for beach,snorkeling,river,surfing,etc.Product advantages: lighter than shoes, better protection than socks,cost- effective outdoor equipmentStreamlined upper, toe cap design,three- dimensional smooth,three- dimensional shape, providing enough space, the toe cap design, protect the toes from injury.The heel cup is soft, comfortable and light, helping the body to balance, ensuring the thickness of the heel pad, enhancing the absorption of impact and providing cushioning for the sole.VARIOUS SIZE AVAILABLE -- fit different feet,little kids, big kids,men,women are available.