OOFOS Unisex OOriginal Sport Sandal Size:M9W11 The built-in neutral orthotic arch

The built-in neutral orthotic arch support and heel cradle stabilizes the foot and improves alignment

and M Select™ GRIP outsoles

Sensory Response Technology for early-walkers

Recycled PET plastic upper

OOFOS Unisex OOriginal Sport Sandal Size:M9W11 The built-in neutral orthotic archThe 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. 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.