OOFOS OOriginal Thong Sandal day-hike Proprietary O FIT Insole delivers

Proprietary O FIT Insole delivers arch support that most low hikers skip

Patagonia's commitment to recycled materials keeps performance and conscience aligned

Sold separately — lets you customize your shelter system based on conditions and trip length

After long miles on the trail or a hard day on your feet

The flexible nylon construction slips on easily and stays in place during activity

OOFOS OOriginal Thong Sandal day-hike Proprietary O FIT Insole deliversAfter hard miles on the trail or a brutal training day, your feet need real recovery not just a flip flop. OOfoam absorbs 37% more impact than standard foam, while the patented cupped footbed pulls pressure off your arches, knees, and lower back. Machine washable and odor resistant, it's built to handle a Southern summer. OOfoam absorbs 37% more impact than traditional footwear foam actively reduces stress on feet, knees, and spine during recovery