Women's OOriginal Sandal Size:6 streamlined fit allows the down

streamlined fit allows the down to conform closely to the body and trap heat more efficiently

Removable bottom provides bucket access

Multi-functional SimpleVent® Drink Cap vents air (by twisting cap ½ turn) during purification and filtration

Built for long days on the trail

Women's OOriginal Sandal Size:6 streamlined fit allows the downThe OOFOS story begins with the OOriginal Sandal. This combination of sleek design and revolutionary OOfoam recovery technology lays the groundwork for all future styles and models. _________________ Revolutionary OOfoam technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. Patented footbed design reduces stress on knees, ankles and other joints. Closed cell foam is machine washable