Under Armour ArmourBite Antimicrobial Multi-Sport Mouthguard Made of latex-free material. Multi-patented and scientifically proven ArchFit system and polymer shrink offer a comfortable fit that allows you to talk and breathe Power Wedges help maintain optimal spacing between your teeth and counteract the negative effects of clenching ArmourBite mouthguard helps your body perform by unlocking the power of the jaw Treated with silver-ion antimicrobial technology to help prevent the growth of mildew, odors and stains