Shirts:

Size	Length	Width
S	28	18
M	29 ¼	20
L	30 ¼	22
XL	31 ¼	24
2XL	32 ½	26
3XL	33 ½	28

Hoodies:

Size	Length	Width
S	27	20
M	28	22
L	29	24
XL	30	26
2XL	31	28
3XL	32	30
4XL	33	32
5XL	34	34

Hats: 

Size	Circumference
One size fits most	18 ½ - 23 ¼