* Features FluidFlow technology provides inside-out water flow drainage for any adventure.* Lightweight midsole for all-day comfort and an outsole with rubber inserts provides traction on wet or dry surfaces.* 100% seamless upper construction is ridiculously comfortable with or without socks.* Quick drying open air mesh offers maximum breathability.* Exsqueeze Me molded sock liner, which is extremely soft and comfortable.* Speedo's lightest athletic shoe.* Shoe Weight: 5.4 oz.* Safety Note: Always use caution on wet, hard, or slippery surfaces.