Model is wearing a size M
Measurements:
XXS width: 12 ½”, length: 16 ½”
XS width: 13 ½”, length: 18 ¼”
S width: 14 ½”, length: 20”
M width: 15 ½”, length: 21 ¾”
L width: 17”, length: 23 ¾”
XL width: 18 ½”, length: 26”
Width measurements indicate the chest width from side to side. Length measurements indicate the length from high point shoulder to hem.