Fox Rampage Pro Carbon Cycling Helmet, White, X-Large The best fitting, most comfortable, high-end carbon fiber helmet on the market The rampage pro carbon features a premium fit The rampage pro carbon features 2 shell sizes and 3 esp. sizes 20 total vents and channels offer the highest amount of ventilation on any full face bike helmet High-tech liner, 3d molded cheek pads and compression headliner