SIZE	WAIST	CHEST
Small	30-32in	34-36in
	76-81cm	86-91cm
Medium	34-36in	38-40in
	86-91cm	96-101cm
Large	38-40in	42-44in
	96-101cm	106-111cm
X-Large	42-44in	48-48in
	106-111cm	116-121cm
One Size	30-40in	34-44in
	76-101cm	86-111cm