OOfos OOahh Sport Flex Slide Unisex Art ANDREW HUTCHEON. An evolution of the OOriginal, featuring an agile OOfoam strap for additional support and comfort. Sport: Features bold, sporty, hand painted graphics on the upper strap. OOFOAM TECHNOLOGY Revolutionary OOfoam technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. OOfoam technology absorbs 37% more impact than traditional footwear. Proprietary footbed design reduces stress on knees, ankles and other joints. Closed cell foam is machine washable and designed to minimize odor.