Big Size
Tall Size
Neck
Chest
Waist
--
LT
16 to 16 1/2
42 to 44
38 to 40
1X
XLT
17 to 17 1/2
46 to 48
2X
2XT
18 to 18 1/2
50 to 52
3X
3XT
19 to 19 1/2
54 to 56
4X
4XT
20 to 20 1/2
58 to 60
5X
5XT
21 to 21 1/2
62 to 64
6X
22 to 22 1/2
66 to 68
7X
23 to 23 1/2
70 to 72
8X
24 to 24 1/2
74 to 76
9X
25 to 25 1/2
78 to 80
10X
26 to 26 1/2
82 to 84
Big Size: 6' 2" or shorter and your waist measures the same or larger than your chest.
Tall Size: 6' 2" or taller and your waist measures the same or larger than your chest.
Neck—measurement around total circumference of neck opening.Chest—measurement around body, 1 inch under arms and over fullest part of chest. Waist—measurement around bottom opening circumference.