Abus Hyban 2.0 Helmet Medium Glacier BlueThe Abus Hyban 2.0 Helmet has an ABS hardshell for a durable helmet made of EPS foam and injection molded outer shell. These helmets have high visibility color choices. There are bug mesh covers on the vents to keep pests away. These are perfect for people who wear ponytails. The Full-ring adjustment ring works with the Zoom Ace Urban Wheel allows you to get the best fit with a small adjustment. There are 5 large outlets and 8 air outlets for excellent ventilation. There is an integrated rear LED taillight to give you excellent visibility. The sizing is Medium 52-58cm, Large 56-61cm and X-Large 58-63cm. Available in Velvet Black, Polar White, Titan, Signal Yellow, and Glacier Blue.A5877049
