SIZE	CHEST (IN)	CHEST (CM)	UK EUR USA China Japan
44 46 48 50 52 54 56	33-34.5 34.5-36 36-37.5 37.5-39 39-40.5 40.5-42 42-43.5	83-87 87-91 91-95 95-99 99-103 103-107 107-111	34 36 38 40 42 44 46 44 46 48 50 52 54 56 44 46 48 50 52 54 56 170/90a 175/94a 175/98a 180/102a 185/106a 185/110a 185/114a XXS XS S M L XL XXL

Shirts, Outerwear (Letter Sizing)

SIZE	CHEST (IN)	CHEST (CM)	UK EUR USA China Japan
XXS XS S M L XL XXL	31-33 33-35 35-37 37-39 39-42 42-45 45-49	79-84 84-89 89-94 94-99 99-107 107-114 114-124	XXS XS S M L XL XXL XXS XS S M L XL XXL XXS XS S M L XL XXL 170/82a 170/86a 175/92a 175/96a 180/104a 185/112a 185/120a XXS XS S M L XL XXL

T-shirts, Hoodies (Letter Sizing)

SIZE	CHEST (IN)	CHEST (CM)	UK EUR USA China Japan
XS S M L XL	33-35 35-37 37-39 39-42 42-45	84-89 89-94 94-99 99-107 107-114	XS S M L XL XS S M L XL XS S M L XL XS S M L XL XS S M L XL

Bottoms