San Francisco 49ers Upcycled Mens Flannel Shirt With t-shirt Back Size Med Men’s flannel but could be worn by women. Both flannel and t-shirt are pre-owned. I cut the SF t-shirt and. Stitched on back. Great way to re re·purpose older items and get a unique one of a kind piece of clothing to support you favorite team. Handmade, stitching not perfect.