Featuring Alpinestars' proven DRYSTAR® membrane and an innovative bio-mechanical flexi-blade system

while still allowing for natural flexion

Derived from Alpinestars’ MX DNA

Seamless knuckle protector offers effective protection against impacts

rk 1 plasma knee brace YGroup_470349 Featuring Alpinestars' proven DRYSTAR® membraneAnatomically profiled for all forms of off road riding, the RK 1 PLASMA Knee Brace has been engineered to provide comfortable knee support while still being lightweight, breathable, and protective. This knee brace features a Nucleon PLASMA knee protector encased in an innovative hybrid frame construction, consisting of a flexible composite over injected on a high performance polymer blend to offer superb frame rigidity while still being flexible at