Features Full Face MTB Helmet Experience unparalleled safety and comfort with our full face mountain bike helmet. Maximum Protection Features an EPP collarbone impact system and chinbar shock pads, ensuring your well-being in any riding conditions. Stay Cool and Comfortable The Grizzly full face bike helmets are ingeniously engineered for optimal performance. Experience a feather-light design combined with revolutionary injection-molded high-flow cooling ventilation channels featuring 27 vents. It's the perfect balance of protection and breathability, all while weighing just under 750g. 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 Pad of varying thicknesses for a customized fit. Perfect Fit System This mountain biking helmets for adults are suitable for head circumference of 57-62cm/22.44-24.40inch, enjoy a perfect snug on your head during the ride!