Oofos Recovery Slides Size 7 men/9 women Olive Green - Pre-owned. Excellent used condition. THE ORIGINAL RECOVERY FOOTWEAR™ An evolution of the OOriginal, featuring an agile OOfoam™ strap for additional support and comfort. OOFOAM™ TECHNOLOGY Revolutionary OOfoam™ technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints.