The all new Riptide is a one-piece injection molded BioLite slip-on sneaker. Built for life on and off the boat, the Riptide is non-marking and slip resistant. With drainage holes throughout the upper, this shoe is made for all day wear wherever you go. The Riptide is available in adult sizing (Men's 9 = Women's 11). BioLite - eco-friendlier high performance EVA Care Instructions: Shrinkage and warping may occur if exposed to high heat or cold temperatures. Clean by hand with lukewarm water. Wear, store, and air dry in moderate temperatures. Do not place in washing machine or dishwasher. Drainage holes throughout to help with water Molded shoe design with heel detail to securely hold the foot Non-marking outsole Slip Resistant Outsole Textured footbed for added traction and secure fit