Lightweight Material: This shirt jacket is crafted from a blend of flannel and cotton, offering a lightweight and tender feel. Perfect for fall weather, it ensures a comfortable and natural sensation against your skin. Stylish Design: This casual shacket showcases a lapel design, straight hem, solid color, button-down closure, and two buttoned chest flap pockets. Its design offers a more casual appearance, adding a touch of style to formal wear. The flap pockets with buttons enhance the pockets' functionality. Durability and Versatility: Featuring high-quality sewing technology, this men's button-down shirt jacket maintains its brightness and durability even after multiple washes. The long-sleeved, regular-fit design portrays a clean, handsome, and energetic look. Versatile Pairing: Perfectly matching with a t-shirt, dress shirt, jeans, or chinos, this shirt jacket can be worn in various styles. Whether as part of your work attire or replacing a traditional blazer, it presents a less formal yet office-appropriate appearance. Size Guide: To find the correct fit, please refer to the size chart provided in the image.