Asterisk Ultra Cell 4.1 - Advanced Knee Protector Brace (Left Only) for Motocross, Snowboarding, Wakeboarding, Off-Roading, Football, & More - Size Medium Evolution Power Tools (1) 9" (230mm) type 1

(1) 9" (230mm) type 1 guard

Its die‑cast aluminum frame provides a rugged feel while maintaining a slim profile for easy pocket or pouch storage

mud-resistant guard is made from high-impact

One part of the coupling system is placed into the port on the helmet and the other on the air hose

Asterisk Ultra Cell 4.1 - Advanced Knee Protector Brace (Left Only) for Motocross, Snowboarding, Wakeboarding, Off-Roading, Football, & More - Size Medium Evolution Power Tools (1) 9" (230mm) type 1The Asterisk Ultra Cell 4. 1 knee brace is a hybrid classic, refined and upgraded from the successful 4. 0 model. Designed with professional level protection and comfort in mind, the 4. 1 model includes all the advanced features of the 4. 0, but with the option to remove the liners for a sleeker fit. This brace is built for serious motocross, supercross, and off road riders, featuring a patented 3 piece Tele Tri Patella Cup for easy movement in