Helmet Liner Size Table
Helmet Shell
Helmet Liner
Shell size 60
liner size 52-53 (6 1/8 - 6 1/4)
Shell size 62
liner size 54-55 (6 1/2 - 6 5/8)
Shell size 64
liner size 56-57 (6 3/4 - 7)
Shell size 66
liner size 58-59 (7 1/8 - 7 1/4)
Shell size 68
liner size 60-61 (7 1/2 - 7 5/8)