Add the Torrent Storm Collar to any riding jacket to create a weather barrier between your collar and helmet. For cold wind and rain, the Torrent is built to fit over the jacket collar and comfortably tuck under the helmet to protect you from the harshest weather you can stand on a motorcycle.
Sizing guide: Measure the largest possible circumference around your head in centimeters (from your nose around the base of your skull). If your measurement is between sizes, choose the larger size to ensure it is not too snug.
SM: 56cm
MD: 58cm
LG: 60cm
XL: 66cm