The sizes run large, so choose based on the largest number. For example, #1) For 5'3" tall, 139 lb, choose size L. #2) For 5'3" tall, 103 lb, choose size S.
5'2" - 5'4", 100 - 115 lb: Size S
5'4" - 5'5", 116 - 130 lb: Size M
5'5" - 5'6", 131 - 145 lb: Size L
5'6" - 5'7", 146 - 160 lb: Size XL
