RXT SG1 ULTRA MX helmet has Ultra Flow ventilation and a light weight ABS Shell. With its removable/washable 3D liner, you can keep your helmet fresh and clean with a simple wash after your day at the track. It has a large eye port for a clear view and adjustable peak. Designed in Australia by Australian riders. Ultra Flow Ventilation System Large Eye port to accept large frame goggles Adjustable Peak Double D Rings Lightweight ABS Construction 3D Fully Washable / Removable Liner DRS) Dynamic Rotational System ECE 22.05 Standards