Size XS. Gently worn, never washed, no stains or damage. Currently sold out on Sezane site. Just under 17" pit to pit. Runs small. Extra covered button sewn into material tag. Main Fabric : 55% Merino Wool, 25% Polyamide, 20% Organic Cotton Description from Sezane website Long-sleeve jumper in merino wool and organic cotton Patterned knit Peter Pan collar Round neckline with button placket fastening Crochet-covered buttons Length from the shoulder: 57 cm (on a size S)