Features patented ArmourBite® technology that increases strength, improves endurance and reduces athletic stress. Worn on the upper teeth, this product is designed for team contact sports. FEATURES • Power Wedges™ help maintain optimal spacing between your teeth and counteract the negative effects of clenching • Comes with a convertible tether system – can we worn strapped or strapless • ArchFit System and Polymer Shrink provide a comfortable fit and the ability to talk and breathe easily • Latex free • $32,000 manufacturer's dental warranty • Meets NFHS® rules • Not for use with braces • Available in two sizes: Youth (Up to Age 11) and Adult (Age 12+) • Made in the USA