The Schwinn Women helmet comes with top front & rear flow vents to keep your head cool and the built in visor helps keep the sun out of your eyes. Hard shell technology provides a highly durable light weight helmet while the dial-fit retention system offer 100% adjust-ability for larger or smaller heads. The side strap adjusters assist in getting the perfect helmet fit The large heat sealed surrounding pad system for ultimate comfort. The EZ Magnetic snap makes it fast and simple Buckle in and out