AvailabilityThe product is temporarily out of stock. Approximately
5 - 30 days from the order, at the earliest 4.11.2026.
Detailed availabilityNotify me when this product is in stock again
Product description- Advanced Shell Construction: This helmet
- features 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 brain’s own low-friction cerebrospinal fluid, which is the body’s
- natural defense against oblique impacts.
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