Nike Hyperstrong Mouthguard (NUU31)
- Breathe easy and perform at your top level with Nike Hyperstrong Mouthguard.
- Dual-density EVA construction which enables a more customizable fit while still maintaining the shape of its protective outer wall.
- Fit groove conforms teeth surface.
- Bite pad on rear molar for extra cushioning.
- Boil and bite system for personalized fit and maximum comfort.
- 88% EVA/8% polypropylene/4% polyester
- One size fits most