Alpinestars RK-1 Plasma Knee Braces Size:SM-MD The wind tunnel tests have

The wind tunnel tests have refined the RF's aerodynamics and ventilation to help evolve the design forward

Swivel angle chuck with an air release valve

with accordion stitched padding at the front of the ankle and achilles for comfortable flexion

99 Break Strength

breathable dual-sport helmet in a cost effective package

Alpinestars RK-1 Plasma Knee Braces Size:SM-MD The wind tunnel tests haveAlpinestars RK 1 Plasma Knee Braces Anatomically 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