Brooks Brothers navy plaid poncho size S

Never worn Brooks Brothers navy/black plaid collared poncho size S. A bit wrinkly but otherwise in excellent condition. Side functional pockets. Buttons up front. Extra buttons in tag. Side slits on either side. Super cute and perfect when you need a light jacket. First photo is a stick photo from Brooks Brothers of the item. Tag says linen but this feels like a water repellent fabric not at all like linen to me. Thank you for looking!