Lululemon Sit In Lotus Wrap II Sweater Heathered Plum Purple Merino Wool

There is no size tag, I approximating this as a size 8 but please check measurements. There is also no care or material tag but looking it up this is 90% Merino Wool Ribbed details Split back Thick open front cardigan sweater Armpit to armpit: 21” Length: 31”