The Alpinestars Supertech M3 Solid Helmet – Black Matt ECE06 is an Alpinestars motorcycle helmet. The description below sets out only the construction and comfort details confirmed for this listing; no unverified safety certification or technical specification has been added.

Before ordering, compare the rider’s head measurement with the helmet manufacturer’s fit guidance and confirm the exact model specification.

Features:

• Engineered for MX, Enduro, and off-road riding, the SM3 Helmet integrates advanced technologies and innovations designed to enhance ease of use, comfort, and impact protection
• Key
• Advanced Shell Construction: This helmet
• A thermo-injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and lightweight
• The SM3 medium weighs 1430g (ECE) and 1460g (DOT)
• Ventilation: Maximized ventilation and high levels of heat transfer exchange thanks to 10 inlets and seven exhaust ports
• Rotational Acceleration Force Protection: Alpinestars patented low-friction coating is applied to the inner part of the main EPS liner to reduce the rotational acceleration forces that can result from certain oblique impacts
• This layer essentially acts as a slip plane to mimic the brains own low-friction cerebrospinal fluid, which is the bodys natural defense against oblique impacts