These charts represent body measurements, not garment measurements.

Port Authority Men's Size Chart
SIZE	NECK	CHEST	WAIST	SLEEVE LENGTH
Small	15 - 15 1/2	35 - 37	29 - 31	32
Medium	15 1/2 - 16	38 - 40	32 - 34	34
Large	16 - 16 1/2	41 - 43	35 - 37	35
XL	16 1/2 - 17	44 - 46	38 - 40	36 1/2
2XL	17 - 17 1/2	47 - 49	41 - 43	37 1/2
3XL	17 1/2 - 18	50 - 53	44 - 47	38 1/2
4XL	18 - 18 1/2	54 - 57	48 - 51	39 1/2

 

Big Size (6'3" & under)
SIZE	NECK	CHEST	WAIST	SLEEVE LENGTH
1XB	18-18.5	46-48	42-44	35
2XB	19-19.5	50-52	46-48	35
3XB	20	50-52	46-48	36
4XB		58-60	54-56	36
5XB	22	62-64	58-60	37

 

Tall Size (6'4" & taller)
SIZE	NECK	CHEST	WAIST	SLEEVE LENGTH
LT	17-17.5	42-44	38-40	37
XLT	18-18.5	46-48	42-44	38
2XT	19-19.5	50-52	46-48	39
3XT	20	54-56	50-52	40

 

Port Authority Ladies Size Chart
SIZE	NUMERIC SIZE	BUST	WAIST	HIP
X-Small	2	32 - 34	24 - 26	34 - 36
Small	4-6	35 - 36	27 - 28	37 - 38
Medium	8-10	37 - 38	29 - 30	39 - 40
Large	12-14	39 - 41	31 - 33	41 - 43
XL	16 - 18	42 - 44	34 - 36	44 - 46
2XL	20 - 22	45 - 47	37 - 39	47 - 49
3XL	24 - 26	48 - 51	40 - 43	50 - 53
4XL	28 - 30	52 - 55	44 - 47	54 - 47