Years of experience designing and manufacturing innovative motorsports technology has given Alpinestars a mastery in outfitting racers, drivers and riders of all types. The Alpinestars… • Lightweight multi-composite combination shell: uni-directional carbon composite with an aramid layer. • Shell layers with an epoxy resin bonding for limited outer shell deflection so that the energy spreads wider and is better absorbed by the EPS liner. • Four shell sizes. • Multi-density EPS polymer liner four