Nike Hyperflow Mouthguard (NUU32)
- The ultimate mouthguard for oxygen intake is injected with fresh flavors.
- Best in class flavor injection technology creates unique, delicious flavor combinations to encourage long, consistent use
- Dual-density EVA construction which enables a more customizable fit while still maintaining the shape of its protective outer wall
- Patented O-flow breathing channels for maximum oxygen intake to improve athletic performance
- Rear drainage channels
- 88% EVA/8% polypropylene/4% polyester
- One size fits most