Our entire Sun-San Sandal range are designed and built to be not only stylish but practical. The Shark is a traditional fisherman style water shoe with woven semi-closed toe and heel offering extra protection for when they are playing. The entire Sun-San range comes on a comfy urethane sole with rust proof buckles and waterproof leather straps. They can be worn in water and can be handwashed with a gentle detergent.The Black Shark works very well as a summer school shoe as well as casual shoe. All children sizes are made with a velcro fastening under a faux buckle across the ankle strap for day to day ease.