Le Phare de la Baleine tunic vest, cowl neck, cap sleeves, pockets, size XS?

So many cool details on this tunic sweater vest! 2 front pockets with a hem large pleat in front cowl neck cap sleeves long and lightweight! no label with fiber content, but I’m guessing a mohair/nylon blend in very good pre loved condition! size XS? (no size given, see measurements below;) 16 inches pit to pit 29.5 inches length