Together Size Chart for Windbreakers:
0-2/XS 4/S 6-8/M 10/L 12-14/XL 16/ XXL
Extra Small: 20 inches flat across chest / 22" long
Small: 21 inches flat across chest (measured armpit to armpit) / 22.5" long
Medium: 22 inches flat across chest / 23" long from back of neck to hem
Large: 23 inches flat across chest / 24" long from back of neck to hem
Extra Large: 24.5 inches / 25" long from back of neck to hem
XXL: 26 inches flat across chest / 25.5" long from back of neck to hem