bionic action kickstart chest black red RGroup_3209221 Fully designed and developed for

Fully designed and developed for younger riders the Nucleon KR-Y is lightweight and features an ergonomic back protector plate follows the natural contours of the back

For the MX24 line

Engineered for superior body temperature regulation

Constructed with an advanced reinforced single-layer soft technical poly-fabric textile for durability and Alpinestars exclusive Drystar® membrane for 100% waterproof performance in wet weather conditions

MATYRX® panel for enhanced airflow and mechanical performance

bionic action kickstart chest black red RGroup_3209221 Fully designed and developed forThe Youth Bionic Action Kickstart Chest Guard is Alpinestars MX chest and back protector for off road youth riders aged 49. Featuring semi rigid TPR protection on the chest and back with floating shoulder cups and bicep guards, plus a semi floating, V shaped chest panel on a lightweight, ventilated chassis. Wide elasticated hook and loop adjustment and a padded, wide opening collar deliver secure coverage, growing room comfort, and easy on off.