Vintage Sweater Vest Womens M L Blue Plaid Lambswool Preppy Academia Classic

Vintage Sweater Vest Womens M L Plaid Lambswool Argentine Preppy Academia Blue See photos for measurements. The tag says L but it's more like medium size. There's a light area showing up in the photo of the back. However, I don't see if with the naked eye. It may or may not be noticeable to you.