Description The Smith Network MIPS is for you if you’ve always been drawn to the challenge of a new route, a new trail, the thrill of the unexpected. Designed for whatever you get into on two wheels, the Network is their versatile, shred-ready bike helmet. Safety techs like KOROYD® and Mips® offer protection and enhanced energy absorption should you need it. When the sun is blazing and you’re heating up, the ventilation system keeps air flowing and your eyewear fog-free. Later, when the light dips beneath the hills, store your shades in pass-through channels on the front. 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 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 and goggles for maximum comfort, venting and storage convenience AirEvac ventilation system integrates with Smith eyewear for fog-free lenses Size Small: 51-55cm Size Medium: 55-59cm Size Large: 59-62cm Size Extra Large: 61-65cm Features 15 fixed vents for consistent airflow Ionic ® antimicrobial lining offers sweat-activated odor control Lightweight, low-bulk single layer webbing Weight (Size Medium): 300 g