Alpinestars SM3 Radium Helmet Gloss Black/White/Gray Small

Description

The Alpinestars SM3 Radium Helmet offers advanced protection and comfort for MX, enduro, and offroad riders. Its lightweight outer shell is constructed from impact-resistant thermoplastic, enhanced by varied thicknesses for optimal impact protection. The inner shell integrates composite fiber between the outer shell and EPS liner to maximize impact resistance. Multiple-density EPS liner ensures targeted impact absorption, while the low-friction coating reduces rotational acceleration from oblique impacts. The helmet features ten intake and seven exhaust ports for superior ventilation, and a visor designed to enhance airflow. The comfort liner is made from recycled materials, and the helmet integrates hydration tube channels in the cheek pads. Equipped with a 25mm soft textile chin strap, stainless steel D-rings, Emergency Release System, and removable cheek pads for safety and convenience. Certified to DOT and ECE 22.06 standards. Color: Gloss Black/White/Gray. Size: Small.