Nucleon KR-R Cell Back Protector Size:XS the back and the underarms

the back and the underarms for high levels of breathability

Designed for optimal fit and comfort

Fully FIA homologated

reduced fatigue and sensitivity and dexterity with the bike’s controls

Nucleon KR-R Cell Back Protector Size:XS the back and the underarmsThe Nucleon KR R hybrid back protector is an innovative track and race back protector. With performance cooling, flexibility, and anatomical contouring, this hybrid of hard shell and energy absorption viscoelastic memory foam is lightweight and breathable for optimized protection and comfort. Features include waist adjustment for a customized fit, a snap on system to fix the protector to a suit or jacket, and a slim vented kidney belt for added