Liquid Force Helmet Size Chart

Helmet Size Mark  CE Liner (Pro-Dry Size Mark) Circumference (cm) Circumference (in)  Hat Size
XS YS 51 20 1/8 6 3/8
XS YL 53 20 1/2 6 1/2
S S-M 55 21 5/8 6 7/8
M S-M 56 22 7
M M-L 57 22 3/8 7 1/8
L M-L 58 22 3/4 7 1/4
L M-L 59 23 1/8 7 3/8
XL L-XL 60 23 1/2 7 1/2
XL L-XL 60.5 23 7/8 7 5/8
XL L-XL 61.5 24 1/4 7 3/4