Alpinestars Nucleon KR-Cell CiS Protector Insert – Smoke/Red

The Nucleon KR-Cell CiS is a high-performance, ultra-lightweight chest protector engineered for track and race use. Designed with Alpinestars advanced micro-structure cell technology, it delivers outstanding impact absorption, ventilation, and comfort. Its ergonomic design follows the natural contours of the riders body for a precise fit, while the soft airmesh inner layer enhances breathability and comfort during high-intensity riding sessions.

Key Features:

• Advanced CELL microstructure provides superior impact energy absorption, flexibility, and airflow

• Double-layered chest shell plate made from high-performance polymeric materials for optimal flexibility and reduced weight

• Ergonomic design contours to the body for a secure, comfortable fit while riding

• Soft airmesh inner liner ensures exceptional comfort and ventilation against the skin

• Strategically engineered structure transitions from the center outward for ideal force dispersion and energy absorption

• Four-button connection system for secure integration with Alpinestars Slimfit Jackets