opentip.com/size chart

S

M

L

3XL

Body Length Back

28

29

31

34

Body Length Tolerance

+/- 1/2

+/- 1/2

+/- 1/2

+/- 1/2

Chest Tolerance

+/- 1/2

+/- 1/2

+/- 1/2

+/- 1/2

Chest Width (Laid Flat)

18

22

22

28