3K Carbon Fiber Shell. MIPS Integra TX liner provides omnidirectional movement for full coverage. MIPS Integra TX is integrated into the comfort liner. Moisture wicking machine washable cheek pads and comfort liner. Quick release cheek pads. 12 intake vents and 4 exhaust vents for added airflow. ECE and DOT approved. Weight: 1250g Meets U.S. Safety Standards – Certified to Federal Motor Vehicle Safety Standard 218 (FMVSS 218) for motorcycle helmets. The MSR Carbon Hex Helmet blends cutting-edge MIPS Integra TX technology and a featherweight carbon fiber shell for optimal coverage without sacrificing performance. Experience peak performance and all-day comfort, whether back woods exploring or pushing your limits at the track.