Mesh top for dryness and breath abilitynAdjustable tight cord in back for conform tightly to your fitnGrippe rubber out-solenHeel bumper for extra protection and stabilitynThese are great for Beach , pool, tubing , fishing , exercise EtcnThese Wave Water Shoes from Easy USA are the ultimate in comfort and water wear style. Lightweight and comfortable, the design features a paneled mesh upper for drainage and breathability, and an extra thick durable rubber sole for those rocky river hikes or walks down the beach. Slipping these on or off is a breeze due to the slip-on style and adjustable loop heel. Available in multiple colors and sizes.