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The Alpinestars SM3 Solid Helmet in Black Matte size 2X is engineered to provide top-tier safety, comfort, and performance for off-road riders. Designed with cutting-edge technology, this helmet ensures a secure fit and exceptional protection during intense trail adventures. It features a thermo-injected polymer blend shell with variable thickness, offering robust impact resistance while maintaining a lightweight profile for extended wear. The helmet's ergonomic design includes a snug yet breathable interior, ensuring rider comfort even during long rides. The SM3's innovative ventilation system incorporates 10 intake and 7 exhaust ports, facilitating maximum airflow to keep your head cool and dry in demanding conditions. The helmet is built to meet both DOT and ECE 2206 standards, guaranteeing it is safe for use in various regions worldwide, and provides peace of mind during every ride. The patented visor release system is designed to minimize neck forces during impacts by releasing the visor with a precisely calibrated amount of force. Additionally, the helmet features Alpinestars' patented low-friction coating on the EPS liner, which reduces rotational forces from oblique impacts, and a slip-plane layer that mimics the brain's natural defense mechanisms for enhanced protection. Whether tackling rugged trails or high-speed sections, the SM3 offers a blend of safety innovations and rider comfort essential for off-road enthusiasts.
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