Chest: Measure around your body, under your arms and over the fullest area of your chest. Keep the measuring tape comfortably loose for your best fit.

UK SIZES
SIZE	CHEST	WAIST
S	35-37”	28-30”
M	38-40”	31-33”
L	41-43”	34-36”
XL	44-46”	37-39”
2XL	47-49”	40-42”