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The Alpinestars SM3 Helmet, model 8301026-1949-XL, is engineered for off-road enthusiasts seeking lightweight yet highly protective gear for motocross, enduro, and trail riding. Its shell features varied thicknesses of impact-resistant thermoplastic, combining durability with minimized weight for maximum rider agility. The thermo-injected shell incorporates a polymer blend designed to optimize impact absorption while maintaining a sleek profile. Inside, a multi-density EPS liner with five different foam densities manages impact forces effectively, reducing injury risk during falls. The inner surface is coated to decrease friction, helping to mitigate rotational impacts and oblique forces that are common in off-road crashes. The helmet's impact protection is further enhanced by a composite fiber layer sandwiched between the outer shell and EPS liner, providing additional resilience against impacts. Ventilation is a key feature, with ten intake ports and seven exhaust outlets that facilitate high airflow, keeping the rider cool even during intense rides. The visor is designed to channel air into the ventilation system and is equipped with a release mechanism that minimizes neck strain by controlling impact forces during removal. Comfort is prioritized through a recycled material-based liner and integrated hydration channels in the cheek pads for convenience. The soft textile chin strap ensures a secure fit, while the helmet also includes an Emergency Release System and removable cheek pads for safety and ease of maintenance. The chin area is contoured for superior impact performance, and stainless steel D-rings provide a reliable, tight fit. This helmet combines innovative construction, safety features, and rider comfort, making it a versatile choice for off-road riders who demand high performance and protection.
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