Alpinestars S-M3 Youth Radium Helmet Fluor Yellow / Black / Blue. This off-road helmet for children offers excellent levels of protection and performance thanks to its safety systems that make it perfect for running on any type of terrain. It is ECE 22.06 certified and is available in various sizes and shell sizes for a better fit and customization for each pilot. Made of advanced thermoplastic material with a thermoinjected shell that achieves the perfect balance between lightness and protection. It has a very effective ventilation system with 17 air inlets and incorporates an emergency extraction system for greater safety when removing the helmet in case of an accident.

Characteristics :

Shell design :

• Outer shell made of advanced thermoplastic material that offers high resistance against impacts.
• Thermo-injected shell made of a mixture of polymers of various thicknesses that offers the perfect balance between lightness and protection.
• 3 shell sizes for a secure and optimal fit in each size.
• Alpinestars patented low friction coating applied to the inside of the EPS main liner to reduce rotational acceleration forces.
• Interior and exterior surfaces designed to minimize the effects of oblique impacts.
• Multi-density inner lining that allows for better shock absorption and helps reduce overall weight.

Ventilation system :

• Ventilation system consisting of 10 air inlets at the top and front of the shell and 7 rear extractors that allow a constant and abundant flow of air.
• Visor designed to direct air towards the ventilation ports and improve flow.
• Patented visor release system that allows the visor to release upon impact to prevent further injury.

Comfort and interior padding :

• Comfort internal lining made with recycled materials that offers rapid moisture absorption and keeps the interior dry.
• Interior 3D contoured foam padding that provides greater comfort for the pilot.
• Custom fit thanks to crown and cheek pads, available in different thicknesses as replacements.
• Emergency release system and removable pads that allow correct removal of the helmet in the event of an accident.
• Hydration tube channels integrated into the cheek pads for added comfort.

Other features :

• 25mm chin strap made of soft fabric for greater touch feel.
• Double buckle closure made of stainless steel that ensures a secure closure.
• The Youth Medium (YM) and Youth Large (YL) sizes share the same EPS size, this allows you to initially purchase a YM helmet and configure it with a YL size as you grow.
• The Youth Small (YS) size can only be customized using the cheek pads, this size is usually worn by children 3 to 4 years old.
• Homologation: ECE 22.06
• Weight: 1060g