OluKai Nohea Mesh Slip On (Men) - Mustang/Lime PeelFor the amphibious life. Simple microfiber mesh uppers breathe when you're dry and drain when you're wet. The outsoles are non marking and the anatomical footbeds are removable. We recommend ordering a half size smaller than what you would typically order. OUTSOLE: All weather rubber outsole with heavy gauge sidewall stitch. Non marking rubber. FOOTBED: Long lasting anatomical contoured footbed with Dri Lex microfiber cover. Removable and washable.