Sizing Information - Adult Chest/Bust: Measure under your arms, around the fullest part of your chest.
Small, 34 - 36
Medium, 38 - 40
Large, 42 - 44
XL, 46 - 48
XXL, 50 - 52
3XL, 54 - 56
Unless specifically noted, all garment sizes are based on typical American unisex sizes and are not subject to unusual shrinking.