Dudes XXS XS S M L XL 2XL 3XL Chest (inches) 29-31 30-32 34-36 38-40 42-44 46-48 48-50 50-52 Waist (inches) 27-29 28-30 30-32 32-33 33-34 36-38 40-42 44-48 Chest: Measure under arms around the fullest part of the chest. Be sure to keep tape level across back and comfortably loose. Waist: Measure around natural waist with a loose tape. Bettys XXS XS S M L XL 2XL 3XL Size 00 0 0-2 4-6 8-10 12-14 16-18 20-22 Chest (inches) 26-28 28-30 30-32 32-34 36-38 40-42 44-46 48-50 Waist (inches) 20-22 23-24 25-26 27-28 30-32 33-35 36-38 38-40 Chest: Measure under arms around the fullest part of the bust. Be sure to keep tape level across back and comfortably loose. Waist: Measure around natural waist with a loose tape. Comment