This ultra lightweight water shoe reinvents the aqua sock._x000D_ Durable, fully breathable four-way stretch upper keeps debris out, but stays cool all day._x000D_ 100% Neoprene 'Internal Exoskeleton' holds foot securely in place without the heat buildup of a traditional neoprene aqua sock._x000D_ S-TRAC? TPR outsole offers water management and flow dispersion._x000D_ Shoe Weight: 7.2 oz.