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Helmet Sizing

 

HELMET SIZING

A helmet must fit right for it to work properly. To ensure that the helmet you're after fits perfectly, measure the circumference of your head by wrapping a measuring tape around your head just above the eyebrows. Once you have your measurement, match it to the sizes in the charts below. If you require an online ruler, click on the link below and set the on-screen ruler settings to the size of your monitor.

 

 

 

Bauer

Bauer 7500 Helmets

Size Head Circumference (inches) Head Circumference (centimeters)
S 20.4 - 22.0" 52 - 57cm
M 21.6 - 23.2" 55 - 59cm
L 22.8 - 24.0" 58 - 61cm
XL 23.2 - 24.8" 59 - 63cm

Bauer Re-Akt Helmets

Size Head Circumference (inches) Head Circumference (centimeters)
XS 20 - 21.8" 51 - 55.5cm
S 21 - 22.4" 53.5 - 57cm
M 22 - 23.4" 56 - 59.5cm
L 23.4 - 25.2" 59.5 - 64cm

Bauer 2100 Helmets

Size Head Circumference (inches) Head Circumference (centimeters)
Jr 19.8 - 21.6" 50.5 - 55cm
S 20.4 - 22.4" 52 - 57cm
M 21.2 - 23" 54 - 58.5cm
L 22 - 24" 56 - 61cm

 

 

Bern Kids Helmet Sizing

Size Head Circumference (centimeters)
XS 49 - 51.5cm
S 51.5 - 54cm

Bern Adult Helmet Sizing

Size Head Circumference (centimeters)
S 54 - 55.5cm
M 55.5 - 57cm
L 57 - 59cm
XL 59 - 60.5cm

 

 

 

Toddler and Kids Helmet Sizing

Size Head Circumference (centimeters)
XXS/XS 45 - 51cm
XS/S 48 - 53cm

 

 

 

Family Helmet Sizing

Size Head Circumference (centimeters)
S 50-54cm
M 54-59cm
L 58-61cm

 

 

Micro Kids Helmet Sizing

Size Head Circumference (inches) Head Circumference (centimeters)
XS 18.1 - 19.7" 46 - 50cm
S 18.9 - 20.9" 48 - 53cm
M 20.5 - 22" 52 - 56cm

Micro Adult Helmet Sizing

Size Head Circumference (inches) Head Circumference (centimeters)
S 18.9 - 21.3" 48 - 54cm
M 21.3 - 22.8" 54 - 58cm
L 22.8 - 24" 58 - 61cm

 

 

Size Head Circumference (centimeters)
XS-S 51 - 54cm
M-L 55 - 58cm
XL-XXL 59 - 62cm

 

 

Protec

Helmet Sizing

Size Head Circumference (inches) Head Circumference (centimeters)
XS 20.5 - 21.3" 52 - 54cm
S 21.3 - 22" 54 - 56cm
M 22 - 22.8" 56 - 58cm
L 22.8 - 23.6" 58 - 60cm
XL 23.6 - 24.4" 60 - 62cm
XXL 24.4 - 25.2" 62 - 64cm


Junior Helmet Sizing

Size Head Circumference (inches) Head Circumference (centimeters)
XXXS 18.5 - 19.3" 47 - 49cm
XXS 19.3 - 20" 49 - 51cm
XS 20.5 - 21.3" 52 - 54cm
S 21.3 - 22" 54 - 56cm

 

 

S-One

S1 Mini Lifer Helmet

Size Head Circumference (inches) Head Circumference (centimeters)
XS 18.5" 47cm
S 19" 48.2cm
M 19.5" 49.5cm
L 20" 50.8cm
XL 20.5" 52cm

S1 Lifer Helmet

Size Head Circumference (inches) Head Circumference (centimeters)
XS 20.5"  52cm
S 21" 53.3cm
M 21.5" 54.5cm
L 22" 55.8cm
XL 22.5" 57.1cm
XXL 23" 58.4cm
XXXL 23.5" 59.6cm

S1 Mega Lifer Helmet

Size Head Circumference (inches) Head Circumference (centimeters)
S 23" 58.4cm
M 23.5" 59.7cm
L 24" 60.9cm
XL 24.5" 62.2cm
XXL 25" 63.5cm
XXXL 25.5" 64.7cm

 

S-One Lifer Helmet Lining Sizing

 

 

 

Thousand Helmet Sizing

Size Head Circumference (inches) Head Circumference (centimeters)
XS 19.3 - 20.9" 49 - 53cm
S 21.25 - 22.5" 54 - 57cm
M 22.5 - 23.25" 57 - 59cm
L 23.25 - 24.5" 59 - 62cm

 

 

TSG

Halfshell Helmets (Evo, Nipper, Superlight, Summit, Kraken)

Size Head Circumference (inches) Head Circumference (centimeters)
Nipper Mini 18.9 - 20.1" 48 - 51cm
XXS/XS 20.4 - 21.3" 52 - 54cm
S/M 21.3 - 22.0" 54 - 56cm
L/XL 22.4 - 23.2" 57 - 59cm
XXL 23.2 - 23.8" 59 - 60.5cm

Full Face Helmets (Advance, Carbon, Pass)

Size Head Circumference (inches) Head Circumference (centimeters)
S 23.1 - 22" 54 - 56cm
M 22 - 22.8" 56 - 58cm
L 22.8 - 23.6" 58 - 60cm
XL 23.6 - 24" 60 - 61cm

 

 

Triple 8

Triple 8 Skate Helmet / Skate SS Helmet (Skate Certified: ASTM Skate)

Size Head Circumference (inches) Head Circumference (centimeters)
XS 20.1 - 20.5" 51 - 52cm
S 20.6 - 21.3" 52 - 54cm
M 21.4 - 22" 54 - 56cm
L 22.1 - 22.9"  56 - 58cm
XL 23 - 24" 58 - 61cm

Triple 8 Certified / Triple 8 Gotham MIPS (Dual Certified: CPSC Bike & ASTM Skate)

Size Head Circumference (inches) Head Circumference (centimeters)
XS/S 18.9 - 21.3" 48 - 54cm
S/M 21.7 - 22.8" 55 - 58cm
L/XL 23.2 - 24" 59 - 61cm

Triple 8 Skate 2 Cert MIPS (Dual Certified: CPSC Bike & ASTM Skate)

Size Head Circumference (inches) Head Circumference (centimeters)
XS/S 19.7 - 21.5" 50 - 55cm
S/M 21.5 - 22.75" 55 - 58cm
L/XL 22.75 - 24" 58 - 61cm

Triple 8 THE Certified SS (Triple Certified: AS/NZS Bike, CPSC Bike & ASTM Skate)

Size Head Circumference (inches) Head Circumference (centimeters)
XS/S 20 - 21.25" 51 - 54cm
S/M 21 - 22.5" 53 - 57cm
L/XL 22.5 - 23.5" 57 - 60cm
XL/XXL 23.5 - 24.5" 60 - 63cm

 

 

Size Head Circumference (centimeters)
XS 52 - 54cm
S 54 - 56cm
M 56 - 58cm
L 58 - 61cm

 

 

 

 

 

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