An evolution of the OOriginal, featuring an agile OOfoam™ strap for additional support and comfort. Sport Flex offers a contemporary spin on the classic slide, with a sleek adjustable upper strap for a more optimal all-around fit.

• Adjustable OOfoam™ comfort strap 
  
• 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