Please choose the right size for you, below chart are for your reference:

Size	Suggest Height		Chest		Hip		Pajamas Length
	cm	inch	cm	inch	cm	inch	cm	inch
S	150-157	4'11"-5'2"	110	43.3	115	45.3	130	51
M	158-168	5'3"-5'6"	115	45.3	120	47.2	140	55
L	169-178	5'6"-5'10"	120	47.2	125	49.2	150	59
XL	179-187	5'10"-6'2"	125	49.2	130	51.2	160	63