Mens Sizes
Garment sizes are approximate and for guidance purpose only. S is to fit a 35-37" chest, M is to fit a 38-40" chest, L is to fit a 41-43" chest, XL is to fit a 44-46" chest, XXL is to fit a 47-49" chest.

Womens Sizes
S - 6-8, M - 10-12, L - 14-16, XL - 18-20, XXL - 22-24