Sperry Men's Flex Deck Water Shoe 100% Synthetic Imported Rubber sole Shaft measures approximately 2.25" from arch Lightweight, breathable quick-dry mesh uppers for incredible comfort Adjustable bungee lace with toggle allows for secure wear and easy on/easy off versatility Removable compression molded eva foot bed maximizes comfort Patented son-r technology features a unique outsole design and interactive foot bed which provides natural sensory feedback for greater stability and agility Molded hydro grip rubber outsole with adaptive wave-sipping disperses water underfoot to reduce slippage on wet or dry surfaces