Size Chart- Maui and Sons

 WAIST INCHES CM
Small (S) 29 - 31 74 - 79
Medium (M) 32 - 34 81 - 86
Large (L) 36 - 38  92 - 97
Extra Large (XL) 40 - 42 102 - 107

 CHEST INCHES
Small (S) 40 - 42
Medium (M) 44 - 46
Large (L) 48 - 50
Extra Large (XL) 52 - 54