ALPINESTARS Youth SM3 Helmet - Radium

Designed for young off-road riders, this lightweight full-face helmet combines advanced impact protection, comfort, and ventilation for confident riding. Features a thermo-injected shell incorporating a special polymer blend with varying thicknesses for an optimal balance of impact protection and low weight, Lightweight outer shell constructed from a technologically advanced impact-resistant thermoplastic, Customizable fit with crown and cheek pads available as spare parts in different thicknesses, Multiple-density inner liner positioned for enhanced impact absorption while helping reduce overall weight, Inner and outer surfaces engineered to minimize the effects of oblique impacts, Low-friction coating on the inner portion of the main EPS liner helps reduce rotational acceleration forces from certain oblique impacts by acting as a slip plane that mimics the brain’s natural low-friction cerebrospinal fluid defense, Ten intake vents and seven exhaust ports maximize ventilation and heat transfer, Visor designed to direct air into the ports for enhanced airflow, Visor release system releases at a predetermined force to help reduce forces on the rider’s neck during an impact, Comfort liner constructed using recycled materials for a lower carbon footprint, Integrated hydration tube channels in the cheek pads provide convenience and performance, Soft 25 mm textile chin strap delivers safety and rider comfort, Emergency Release System and removable cheek pads allow safe, easy cheek pad removal while the helmet remains on, 3D-contoured foam enhances comfort, Stainless steel D-rings ensure a tight and secure fit.