As low as $57.49/mo with or . (Pay in 4 interest-free payments)
ALPINESTARS Youth SM3 Radium Helmet (Gloss Yellow Fluo/Black/Blue, Small) Built for off-road confidence , the ALPINESTARS Youth SM3 Radium Helmet delivers lightweight, race-inspired protection for young riders. Its radium gloss graphic look pairs with advanced impact engineering and optimized ventilation for long rides and hot motos. Key Features Thermo-injected shell with a special polymer blend and engineered thickness for the ideal balance of protection and weight. Lightweight impact-resistant thermoplastic outer shell. Tailored fit with crown and cheek pads , available as spare parts in different thicknesses. Multiple density inner liner for targeted impact absorption and reduced overall weight. Surfaces engineered to help minimize effects of oblique impacts . Low-friction slip plane coating on the EPS liner to help reduce rotational acceleration in oblique impacts. Maximized ventilation : ten inlets and seven exhaust ports; visor channels direct airflow. Visor release system helps reduce neck forces by releasing with pre-determined force. Comfort liner made with recycled materials for a lower carbon footprint. Hydration tube channels integrated into cheek pads for convenience. 25 mm soft textile chin strap for comfort and security. Emergency Release System with removable cheek pads for safe, easy removal while helmet remains on. Stainless steel D-rings for a secure fit. Riding Style: MX / ATV / UTV / Off-Road • Gender: Unisex • Size: S (Youth) • Color/Finish: Yellow Fluo (Gloss) with Black and Blue • Weight: 4.15 lbs
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 light weight
Lightweight outer shell constructed from a technologically advanced impact resistant thermoplastic
The fit can be tailored to the rider’s head thanks to the helmet’s crown and cheek pads, which are available as spare parts in different thicknesses
The multiple density inner liner ensures the helmet is equipped with the correct density in the correct area for enhanced impact absorption, while also helping to reduce overall weight
The inner and outer surfaces are engineered to minimize the effects of oblique impacts
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
Maximized ventilation and high levels of heat transfer exchange thanks to ten inlets and seven exhaust ports
The visor has been designed to direct air into the ports for enhanced airflow
Visor release system ensures the visor is released with the correct pre-determined amount of force, effectively reducing the forces on the rider’s neck during an impact
Comfort liner is constructed using recycled materials for a lower carbon footprint
Hydration tube channels are integrated into the helmet’s cheek pads for convenience and performance
Soft textile chin strap is 25 mm for optimal safety and rider comfort
Equipped with an Emergency Release System and removable cheek pads to permit the safe and easy removal of the cheek pads while the helmet is still on, while the 3D contoured foam ensures rider comfort
Stainless steel D-rings ensure a tight and secure fit
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