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Bern Helmet Size Chart

Helmets:   To determine the correct size, wrap a measuring tape around the head, keeping the tape just above the ears and level front to back. Once you've determined the measurement, you can use the chart here as a guide; however we recommend that you try helmets on prior to purchase to ensure the best fit and comfort. 

Men's and Women's Adjustable Model Sizing 

 Adult Helmets

Centimeters

Inches

Hat Size

MEN'S

 

 

 

Small

52 - 55.5 cm

20.47 -  21.85

 6½ - 7

Medium

55.5 - 59 cm

 21.85 - 23.23

7 - 7

Large

59 - 62 cm

23.23 -  24.41

 7⅜ - 7⅞

WOMEN'S

     

Small

52 - 55.5 cm  20.47 -  21.85  6½ - 7

Medium

55.5 - 59 cm  21.85 - 23.23  7 - 7

Large

59 - 62 cm  23.23 -  24.41  7⅜ - 7⅞

 

Unisex Model Sizing

 Adult Helmets

Centimeters

Inches

Hat Size

XS

52 - 54 cm

20.47" - 21.25"

6½ - 6¾

XS/S

52 - 55 cm

20.07" - 20.87"

 

Small

54 - 55.5 cm

21.25" - 21.85"

6¾ - 7

S/M

54 - 57 cm

 

 

Medium

55.5 - 57 cm 21.85" - 22.44" 7 - 7⅛

M/L

55 - 59 cm    

Large

57 - 59 cm 22.44" - 23.23" 7⅛ - 7⅜

L/XL

58 - 59.5 cm 23" - 23.5"  

X Large

59 - 60.5 cm 23.23" - 23.82" 7⅜ - 7⅝

 

 Youth Helmets

Centimeters

Inches

Kid's XS/S

51 - 53 cm

20.07" - 20.87"

Kid's S/M

53 - 55.5 cm

20.87" - 21.85"

Junior S/M

51.5 - 54.5 cm

20.27" - 21.45"

Junior M/L

53 - 56 cm

20.86" - 22.04"

 

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