Mens Sizes:

Size Neck Sleeve Chest
(S) Small 15 33.75 41.5
(M) Medium 15.5 34.5 43.5
(L) Large 16 34.5 45.5
(XL) Extra Large 16.5 34.75 47.5

Female Sizes:

Size Neck Sleeve Chest
(XS) Extra Small 13.5 31.5 37
(S) Small 14 31.75 39
(M) Medium 14.25 32 41
(L) Large 14.5 32.25 43.5