Alpinestars SM3 Youth Radium Helmet Size:YS the A-5 Plasma Chest Protector

the A-5 Plasma Chest Protector features composite Nucleon Plasma and semirigid thermoplastic chest and back protector shells that are engineered to be lightweight

PU laser lamination on backhand and fingertips for better protection

Contouring compression seal technology keeps goggles securely in place

offering versatile size adjustments for a secure and personalized fit

Pro Plus+ is formulated to exceed JASO MA requirements for 4-cycle engines with integrated wet clutches

Alpinestars SM3 Youth Radium Helmet Size:YS the A-5 Plasma Chest ProtectorAnatomically engineered and profiled specifically for youth and younger riders, the all new SM3 Youth is optimized for MX, Enduro and Off road use, and features a whole raft of technologies and innovations taken from Alpinestars range of adult helmets to deliver the optimal blend of performance, protection and comfort. This lightweight helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of