Urban Research Navy checked cotton flannel shirt, 3/4 sleeves, with buttons. - Color: Navy - Pattern: Check - Material: Linen - Sleeve Length: 3/4 - Number of Buttons: Buttons on the front Worn about 5 times. Made of linen, with 3/4 sleeves, it's easy to wear even when it's hot and feels comfortable. The size is S, but it fits like a regular M size for outerwear.