6D ATR-2Y FEATURES· PATENTED ODS® Omni-Directional Suspension® technology· SHELL – A proprietary woven blend of advanced aerospace carbon fiber, composite fiberglass, and Kevlar· CERVICAL SPINE RELIEF – Rear lower shell incorporates compliant zone at the cervical spine location· CLAVICAL CUT-AWAY – Provides increased clavicle clearance.· STERNUM PAD – Provides added protection of the chin, jaw and sternum.· ROOST GUARD – Provides additional face protection· SHEAR-AWAY VISOR SCREWS· EMERGENCY RELEASE CHEEK PADS – Removable, washable, Dri-Lex® anti-bacterial fabric· COMFORT LINER – Removable, washable comfort liner, Dri-Lex® anti-bacterial fabric· AIR FLOW MANAGEMENT – 9 intake ports, and 6 exhaust ports work in unison with the Air Gap Ventilation System· TITANIUM D-RINGS· LIGHT WEIGHT with improved center of gravity (+/- 1250 grams Size M)· EXCEEDS DOT, ECE, ACU AND ASTM STANDARDSSimply put, the ATR-2Y youth off-road helmet is the next level in brain protection for the today's youngest athletes. The 6D ATR-2Y follows directly in its parent's footsteps. It is the most advanced helmet available for off-road motorcycle riding. Infused with the same advanced ODS technology as the adult ATR-2, the youth model was specifically designed for the needs of the growing child and their still-developing brain. Softer foam liners combined with a more aggressive and freer uncoupling carrier system, provide truly next level protection.SIZEYSM (49-50cm), YMD (50-51cm), YLG (51-52cm), YXL(52-53cm)