The OOFOS story begins with the Oofos OOriginal Sandal. This combination of sleek design and revolutionary OOfoam™ recovery technology lays the groundwork for all future styles and models.OOfoam™ technology absorbs 37% more impact than traditional footwear.Patented footbed design reduces stress on knees, ankles and other joints.Closed-cell foam is machine washable and designed to minimize odor.OOFOAM TECHNOLOGY Revolutionary OOfoam™ technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. Oofos OOriginal Sandal Blush