Closed-back design for secure fit and easy on/off entry. 100% rubber outsole for traction. Good for high-fluid environments. Anti-bacterial/moisture-wicking Poliyou® sockliner keeps feet dry and minimizes odor. Removable pillow-top EVA contoured foot bed with arch support for shock-absorbing comfort and support. Cocoa, Navy, Black, White 5–12, M4–M13 whole sizes