The OluKai Nohea Moku Men’s Shoe - Dark Shadow/Dark Shadow is designed with a multi-functional drop-in heel and breathable mesh upper that lets air out while keeping comfort in. This slip on shoe is designed for wet conditions. Made with stretch bootie construction, specifically for wearing barefoot. These shoes are perfect for on the water as they are made from lightweight breathable, quick drying, cotton canvas material. OluKai Nohea Moku Men’s Shoe in Dark Shadow/Dark Shadow Features: Upper: Lightweight air meshFootbed: Anatomical contoured dual density PU footbed with polyurethane gel insert and soft microfiber cover that is removable, and washable for long lasting wearOutsole: All-weather rubber outsole made from non-marking rubber, with razor siping specifically for providing extra grip on wet surfaces