Alpinestars SM3 Radium Youth Helmet (Small, Matte Gray/Black/Yellow Fluo)

Anatomically engineered and profiled specifically for youth and younger riders Optimized for MX, Enduro and Offroad use Features a thermo-injected shell incorporating a special polymer blend Engineered to deliver the optimal combination of impact protection and light weight Lightweight outer shell is constructed from a technologically advanced impact-resistant thermoplastic