Alpinestars Nucleon KR-Celli Back Protector COLOR:Transparent Smoke Select these to customize the

Select these to customize the fit of your Arai Helmet in the jawline area

detachable floating Level 2 CE eggshell chest

slim fit stretch mesh chassis and feature two independent

and GPS systems

ENGINEERED TO ALLOW AIRFLOW TO KLIM MOTORCYCLE JACKET VENTS

Alpinestars Nucleon KR-Celli Back Protector COLOR:Transparent Smoke Select these to customize theThe extremely lightweight, CE certified KR Celli Protector insert features an articulated back shell plate for flexibility and riding fit, plus an advanced micro structure cell design for efficient impact energy absorption and high levels of airflow. This protector has a hard shell and is intended for use in race sport suits and jackets. Alpinestars has other models for Adventure and Touring, contact us if you need assistance. Triple segmented back