SPEEDO Women's Offshore Water Shoes This ultra lightweight water shoe reinvents the aqua sock. Durable, fully breathable four-way stretch upper keeps debris out, but stays cool all day. 100% Neoprene 'Internal Exoskeleton' holds foot securely in place without the heat buildup of a traditional neoprene aqua sock. S-TRAC TPR outsole offers water management and flow dispersion. Shoe Weight: 5.6 oz.