Grab your favorite t-shirt and measure it to see what size you need.

SIZE Half Chest Width (A) Half Bottom Width (B) Sleeve Length (C) SLEEVE OPENING (D) TOTAL LENGTH (E)
XS 52 52.5 20.5 15.5 67.5
S 54 54.5 21.5 16.5 69.5
M 56 56.5 22.5 17.5 71.5
L 58 58.5 23.5 18.5 73.5
XL 60 60.5 24.5 19.5 75.5
XXL 62 62.5 25.5 20.5 77.5