Men's Tops >> Chest size in inches.
Small: 34-36
Medium: 38-40
Large: 42-44
X Large: 46-48
Men's UnderwearWaist size in inches.
Small: 29-31
Medium: 32-34
Large: 35-37
X Large: 38-40
Women's Tops >> Bust/Chest size in inches.
Small: 33-34
Medium: 34.5-36
Large: 36.5-38
X Large: 38.5-40
Women's Underwear >>
Small: Size 0-4
Medium: Size 6-8
Large: Size 10-12
X Large: Size 14+
Small: Size 2-4, 28 waist / 27.5 inseam
Medium: Size 6-8, 30 waist / 28 inseam
Large: Size 10-12, 31.5 waist / 29 inseam
X Large: Size 14+, 33 waist/ 29.5 inseam