Men's and Women's Bern Helmet Size Chart

Men's Helmet Sizes

Fit Size 

CM

Shell Size

Comfort Liner Thickness

S

53.5-55.5

Medium

 5/8

M

55.5 57

Medium

 1/2

L

57-59

Medium

 3/8

XL

59-60.5

Medium

 1/4

XXL

60.5-62

Large

 3/8

XXXL

62-63.5

Large

 1/4

 

Women's Helmet Sizes

Fit Size 

CM

Shell Size

Comfort Liner Thickness

XS

52-53.5

Small

 1/2

S

53.5-55.5

Small

 3/8

M

55.5 57

Small

 1/4

L

57-59

Medium

 3/8

XL

59-60.5

Medium

 1/4