Alpinestars S-M3 Radium baby helmet yellow black blue.

Alpinestars S-M3 Radium yellow black baby helmet. The new SM3 helmet was developed especially for teenagers and younger riders. It is optimised for MX, enduro and off-road use and features numerous technologies and innovations from adult helmets to offer the optimum mix of performance, protection and comfort.

Lightweight construction: Thermally injected shell made of a special blend of polymers with different thicknesses for an optimal combination of impact protection and low weight

Material: Impact-resistant thermoplastic outer shell, available in three sizes (Youth Small, Youth Medium and Youth Large)

Customisable fit: Helmet shell and cheek pads in various thicknesses available as spare parts. Youth Medium (YM) and Youth Large (YL) sizes have the same EPS size to grow with the rider. Youth Small (YS) has a smaller EPS size and a special fit for 3-4 year olds

Multi-density: inner liner with differentiated densities for better impact protection and reduced overall weight

Angled impact protection: inner and outer surfaces minimise the impact of angled impacts. Patented low-friction coating reduces rotational acceleration forces

Ventilation: 10 air intakes and seven exhaust ports for maximum ventilation and heat transfer

Visor: Designed to improve airflow. Patented visor release system reduces forces in the event of impact

Comfort Liner: Made from recycled materials to reduce carbon footprint. Integrated drinking tube channels in the cheek pads

Safety features: soft fabric chin strap (25 mm wide), emergency release system and removable cheek pads for safe removal, stainless steel D-rings for secure fit