Sizing

Arcticfields:
 Size S M L XL
Chest 34/36 38/40 42/44 46/48
 
Billabong:
 Size S M L XL
Chest 38/40 40/42 42/44 44/46
 
Volcom:
 Size S M L XL
Chest 34/36 38/40 42/44 44/46
 
Quiksilver:
 Size S M L XL
Chest 37/38 38/40 40/42 42/44