The Alpinestars Youth SM3 Fray is a motocross and off-road helmet built for younger riders. Its thermo-injected shell uses varying thickness to balance impact protection and low weight, and a low-friction coating on the inner EPS liner acts as a slip plane to reduce rotational forces in oblique impacts. Ventilation is generous, with ten inlets and seven exhaust ports and a visor shaped to channel air into them. Crown and cheek pads come in different thicknesses as spare parts so the fit can be tuned as a child grows. It sits in the same protective design language as Alpinestars' adult off-road helmets, at a lighter build suited to youth heads.
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Rated highly by buyers, who mostly praise the light weight, ventilation and fit for younger riders. Few complaints surface in the feedback.
The Alpinestars Youth SM3 Fray is an MX helmet for young riders. It has a thermo-injected shell made from a polymer blend, with varying thickness to balance impact protection and low weight. The inside has a multiple-density EPS liner that puts the right density in the right areas to absorb impact and reduce weight.
The inner and outer surfaces are engineered to minimize the effects of oblique impacts. A low-friction coating on the inner part of the main EPS liner acts as a slip plane to reduce rotational acceleration forces. The visor release system lets go with a pre-determined amount of force to reduce the load on the rider's neck in an impact.
Ten inlets and seven exhaust ports provide ventilation, and the visor is shaped to direct air into the ports. The crown and cheek pads can be swapped for spare pads in different thicknesses to tailor the fit. The cheek pads can be removed while the helmet is on, using the Emergency Release System. They also have integrated hydration tube channels.
