Make sure you're all in on race day when you buckle up in the Smith Ignite race helmet. Its aerodynamic shape, energy-absorbing KOROYD® impact protection, and Mips® liner system give you the confidence and advantage you'll need to attack with speed and catch the breakaway. Fully integrated eyewear storage allows you to pull on your shades fumble-free, so you never miss an opening. Product Details Protection Zonal KOROYD® coverage for lightweight, energy-absorbing and ventilated impact protection Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head Integrated skeletal structure creates a roll cage for added strength and impact protection Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older as well as CE EN 1078 Fit / Integration Designed for ultimate integration with Smith performance eyewear for maximum comfort, venting and storage convenience AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses VaporFit™ dial adjustment system offers 270-degree fit adjustment with the turn of a dial Features Eight fixed vents for consistent airflow Ionic+® antimicrobial lining offers sweat-activated odor control Lightweight, low-bulk single layer webbing Weight (Size M, Mips®): 11 oz / 310 g