Schwinn Thrasher Microshell Bicycle Helmet Ride confidently and safely with the Schwinn Thrasher Girl's Bicycle Helmet. The dual-fit, 360-degree adjustable system allows for on-the-fly adjustments. Twenty flow vents help you keep cool, while a snap-on visor offers protection from the elements. Tapeless technology increases durability and adds unique styling. Heat-sealed pads are integrated for comfort and durability, with side strap-adjusters to assist with a proper fit. This helmet offers full-shell coverage for ultimate protection.