Jacket Size	US Size	UK Size	Chest	Waist	Sleeves
XS	34	34	86.5 - 89	76 - 78.5	63.5
S	36	36	91.5 - 94	81.5 - 84	65
M	38	38	96.5 - 99	86.5 - 89	65
L	40	40	101.5 - 104	91.5 - 94	66
XL	42	42	106.5 - 109	96.5 - 99	67.5
2XL	44	44	112 - 114.5	101.5 - 104	68.5
3XL	46	46	117 - 119.5	106.5 - 109	68.5
4XL	48	48	122 - 127	112 - 117	70

Jacket Size	US Size	UK Size	Chest	Waist	Sleeves
XS	34	34	34 - 35	30 - 31	25
S	36	36	36 - 37	32 - 33	26
M	38	38	38 - 39	34 - 35	26
L	40	40	40 - 41	36 - 37	27
XL	42	42	42 - 43	38 - 39	28
2XL	44	44	44 - 45	40 - 41	29
3XL	46	46	46 - 47	42 - 43	29
4XL	48	48	48 - 50	44 - 46	30