Suggested Altarboy Sizes Length Sleeve Orarion XS 38" 21" 121" S 42" 23" 128" M 46" 25" 140" LG 50" 27" 145" XL 54" 29" 157" 2X 58" 31" 165" 3X 62" 33" 180" Length is measured from where the collar meets the spine in the back to the hem of the robe. Sleeve length is measured from that same point, fo...