The Solid RKT-300 Series modular motorcycle helmet from Joe Rocket Canada® is built with an A.T.P.A.™ Advanced Thermo-Poly Alloy shell that meets of exceeds ECE 22-06 standards. FIT/COMFORT The helmet fits an intermediate oval head shape and allows for the interchanging of liners/pads to adjust the size and fit. . The Dry-Tech® liners/pads are moisture wicking to help with sweat management and are completely machine washable. VENTILATION RKT-300 Series helmets feature a modular flip-up chin bar that opens the front of the helmet for unrestricted air flow. There are 6 points of ventilation for adjustable airflow when the chin bar is closed, and an integrated chin curtain to help reduce wind. Features : PROTECTION A.T.P.A.™ Advanced Thermo-Poly Alloy Shell ECE 22-06 Certified FIT/COMFORT Intermediate Oval Head Shape Dry-Tech® Removable, Washable, Moisture Wicking Liner Quick-Connect Chin Strap Interchangeable Liner/Cheek Pads Between SHIELD Clear Cut™ Optically Correct, Anti-Scratch and UV Resistant Face Shield Includes Dark Tint Clear Cut™ Face Shield Lightspeed™ Quick Change Shield Replacement System Press-Fit Air Lock™ Shield Security System Single Stage Integrated Internal Sun Visor VENTILATION Modular Flip-up Chin Bar Cross Link™ Variable Flow Ventilation System Integrated Chin Curtain to Reduce Wind OTHER FEATURES 1 Shell Size 1550G +/- 50