stretchy nylon fabric

8-base lens curvature offers a wraparound fit

AlaskaWomen's sizing

wide elastic waistband designed for maximum comfort

YKK front zipper with storm flap for extra protection

Flow MIPS Winter Sports Helmet Color:Frost Blue stretchy nylon fabricThe Flow Mips helmet brings a modern look, with all day comfort. Through the integration of temperature regulating material and the ability to adjust the ventilation on the helmet to your liking, your head will stay at an optimal temperature. Having a Mips Integrated Fit System allows you to make the most of your days in the mountain, knowing you're well protected. Active Ventilation Temperature Regulating Material 360 Pure Sound Mips Integrated Fit