Alpinestars Nucleon KR-2i Men's Road Back Protector Insert, Black, Medium
- Founded in 1963, Alpinestars has built a reputation of innovation and prestige..
- Now, fifty years later, Alpinestars is synonymous with quality, protection, technology and style..
- Lightweight, flexible polyurethane-injected impact foam..
- Contoured for anatomical and adaptive fit..