OOriginal Sandal Shoe Size:M9 / W11 Lightweight O Matter™ frame material

Lightweight O Matter™ frame material

has been scaled up to fit larger faces

Optimal precision and impact resistance that meet or exceed ANSI Z80

Oakley performance shield lens technology with HDO®

Connect with the ground and stay comfortable with unique Altra EGO™ midsole foam

OOriginal Sandal Shoe Size:M9 / W11 Lightweight O Matter™ frame materialTHE ORIGINAL RECOVERY FOOTWEAR The 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. Product details 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.