- Lightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic in three sizes (Youth Small, Youth Medium and Youth Large. The SM3 Youth weighs 1060g (ECE) and 1170g (DOT).
- Separate versions of the shells for DOT and ECE requirements; the DOT certified version of the helmets inner shell is constructed with a composite fiber assembled between the outer shell and the EPS liner for maximum protection against impacts.
- The fit can be tailored to the riders head thanks to the helmets crown and cheek pads, which are available as spare parts in different thicknesses.
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Anatomically engineered and profiled specifically for youth and younger riders, the all-new SM3 Youth Helmet 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. The SM3 Youth weighs 1060 g (ECE)


