J. Crew 100% Virgin Wool Black Blazer One Button Corpcore Preppy Size Women's 2 This classic J. Crew blazer is made from 100% virgin wool and is perfect for any professional or preppy look. The blazer features a single-button closure and is a size 2. Please review all photos carefully, as they are part of the item's description. Feel free to ask if you have any questions! I am open to reasonable offers.