Altitude Sports
Altitude Sports

sizing_seirus_men_headwear-neckwear_hats-toques

Size S / M L / XL
Circumference in 21 1/4 - 22 3/4 22 3/4  - 24 1/4
cm 54 - 58 58 - 62



Size
XS S M L XL
Digital size
6 1/2 - 6 7/8 6 7/8 - 7 7 - 7 1/4 7 1/4 - 7 1/2 7 1/2 - 7 3/4
Circumference in
20 7/8 - 21 1/4 21 1/4 - 22 22 - 22 3/4 22 3/4 - 23 5/8 23 5/8 - 24 1/4
Circumference cm 52 - 54 54 - 56 56 - 58 58 - 60 60 - 62



One size

Size OS
Circumference
in 21 1/4 - 24 1/4
cm 54 - 62

Choosing the right size

Circumfrence: Head sizing is based on the circumference around the head.

Measure the distance around the widest part of your head, then reference the table below to find out your required size.