HJC C91 Solid Modular MC Helmet Size:M Compression arch support

Compression arch support

front arms and legs

Recommended for all types of ground

Cold stop front placket with magnetic and snap closure system

Main compartment w/ hydration reservoir hanger (reservoir sold separately)

HJC C91 Solid Modular MC Helmet Size:M Compression arch supportThe HJC C91 is a modular motorcycle helmet designed for medium oval head shapes, though it's noted that it tends to size on the small side. If you're between sizes, it's recommended to order a size up. The helmet features HJC's SuperCool lining, which is moisture wicking and anti bacterial, and includes speaker pockets as well as glasses grooves that are reported to work well for those who wear glasses. Its chin bar can be opened using a single button