Motocross of Nations is the biggest MX event of the year where the world’s best motocross athletes battle, no matter what championship series they are… • Contoured TPU calf protector plate offers impact resistance. • Innovative TPU rear blade system protects heel and features a rear hyperextension guard. • Extensive TPU protection on toes, foot, heel, ankle, calf and shin with extra hard compounds on the toe-box, heel and Achilles tendon. • New closure system includes polymer buckles plus alumin