Breathable polyester mesh upper Coconut Active Carbon fabric and PU overlays Upper envelopes the foot to help keep debris out Individual toe pockets promote muscle strengthening in the feet and lower legs, as well as improve balance, agility and range of motion. 2mm, microfiber footbed with Dri-Lex® antimicrobial technology 2mm EVA midsole underfoot protection 2.7mm Vibram® TC-1 Performance rubber Serrated blade tread pattern delivers flexibility and reliable traction on wet surfaces. Weight: 4 oz