GUC size W8. M6 Black Reduces stress on sore feet, knees, and back Machine washable, plus moisture and bacteria resistant Soles breathe a sigh of relief each time you slip on the OOFOSR OOriginal Sport sandal. • Unisex styles are built on a men's last, and may fit slightly wide on a women's foot. • Designed to soothe and reinvigorate feet after a tough workout. • Moisture and odor resistant materials. • Shower and beach-ready build. The OOriginal sandal features revolutionary OOfoam"" technology that absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. This technology aids in the recovery process and creates an incredibly comfortable sandal you can wear anywhere.