Features MIPS® Brain Protection System Our MIPS®-equipped helmets aim to reduce rotational forces, which can occur during certain impacts. MIPS® is a market-leading brain protection system designed to minimize rotational forces that may be transferred to the rider's brain, enhancing overall safety on the slopes. Full Face MTB Helmet Crash hard. Stay protected. Enjoy the ride with confidence knowing your helmet has you covered every step of the way. Maximum Protection and Comfort The MIPS® mountain bike helmet features an EPP collarbone impact system and shock-absorbing chinbar pads. Stay safe and comfortable in any condition. Lightweight & Breathable Design Featuring revolutionary injection-molded high-flow ventilation channels with 27 vents, this lightweight helmet weighs just under 750g for maximum comfort and breathability. Adjustable Visor System Designed for trail riders, this visor easily adjusts to block the sun and enhance visibility on any terrain. Easy to Use Designed with your convenience in mind, this full-face helmet for MTB comes with a removable and washable comfort liner, as well as two sets of Chin pads of varying thicknesses for a customized fit. Perfect Fit System These mountain biking helmets for adults are suitable for a head circumference of 54-62cm/21.3- 24.40 inches, providing a perfect snug fit on your head during the ride!