An ergonomic insert optimized for performance riding, the lightweight Nucleon KR-Cell CiS Protector incorporates an advanced micro-structure cell
design for efficient impact energy absorption and high levels of airflow.
The Nucleon KR-CiS is a high performance, super lightweight track and race chest protector featuring Nucleon Cell technology.
Four buttons ensure a secure engagement with the Alpinestars Slimfit Jacket.
The double-layered chest shell plate is constructed from a high performance polymeric material blend for optimized flexibility and
excellent weight saving properties.
The chest protector’s structural design changes from the center towards the outside and provides the perfect balance between
force dispersion and energy absorption.
Unique Cell microstructure designed for advanced energy absorption, adaptivity, maximum breathability and airflow.
Ergonomic protection plate contours to the natural curve of the back ensuring an optimum fit while riding.
Soft comfortable air-mesh on the body side of the protector offers maximum breathability and rider comfort.
(size S = jacket from XS to M / size L = jacket from L to XXL)