Tailor Made for Your Head: The Convoy was designed to be a helmet that ticks all the boxes, with lightweight protection, a fixed visor, a comfortable fit, and all the ventilation you need for even the hottest days on the trail , Your Protection at its Core: This helmet features the MIPS Safety Protection System. Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older as well as CE EN 1078 and AS/NZS 2063 , Stay Cool & Eliminate Foggy Lenses: With 20 fixed vents for consistent airflow and the AirEvac system to integrate with Smith eyewear, you’ll stay cool and your glasses will stay clear , Adjustable for a Comfortable Fit: Features an adjustable dial on the back that lets you fine-tune the fit for comfort , Born on the Mountain, Built from Innovation: Smith is a performance eyewear and helmet brand for those inspired to pursue new and deeper connections with the outdoors; we’ve been outfitting consumers with the confidence to experience more since 1965