The Models fitting size: (1).Anna is 5'6" and 110lbs,The Waist:24.5 Inch (Asian S) was perfect. (2).Nani is 5'2" and 122lb ,ordered the Waist:26 Inch(Asian M ). (3).Ally is 5'6 and 123 lbs,order Waist:27.5 Inch (Asian L). (4).Karlis is 5' 8" and 155-158lbs,Order the Waist: 30 Inch(Asian XL).