Design & Technology: MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head for added protection VaporFit™ dial adjustment system offers 270° fit adjustment with the turn of a dial AirEvac™ ventilation system integrates with Smith® goggles for fog-free lenses Complete Koroyd® coverage for lightweight, energy-absorbing and ventilated impact protection 18 fixed vents offer consistent airflow Integrated skeletal structure creates a roll cage for added strength and impact protection Ionic+® antimicrobial lining offers sweat-activated odor control for maximum comfort Side channels let you securely stash your sunglasses when not in use Lightweight, low-bulk single layer webbing Designed for total integration with Smith® performance eyewear for increased comfort, venting, and convenience CPSC and CE EN 1078 certified Weight: 10 oz. Style: TRACEMIPS