short-sleeve basic fit size chart
YXS(2-4)...14"wx16.5"L
YS(6-8)...16"wX19.5"L
YM(10-12)...17"wx21.5"L
YL(14-16)...18"wx23"L
AS...17.5"wx27"L
AM...19.5"wx29"L
AL...22"wx29"L
AXL...24"wx30"L
AXXL...25.5"wx32.5"L
*W=armpit to armpit
*L=nape to tail