Alpinestars Nucleon KR-3 Back Protector Motorcycle Street Protection


  • Developed in three waist-to-shoulder dimensions in order to cover all body sizes
  • Lattice structure back shell plate is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight-saving properties combined with soft viscoelastic PU (polyurethane) foam compound construction
  • Single injected lattice structure shell with an ergonomic design to absorb impacts and allow maximum breathability and airflow
  • Nucleon PU foam on the central spine area for additonal impact absorption performance
SKU: Nucleon KR-3 Back Protector Category: