Thank you very much for viewing. This is a MAMMUT mountain shirt, which is in excellent condition and is authentic. It's a very stylish item with a gingham check pattern. ① Please refrain from purchasing if you are overly concerned about details. ② I am selling this because it no longer fits. ③ It has only been tried on, so it is a very beautiful item. ● Brand: MAMMUT ● Collar: Button-down ● Color: Navy x White ● Fabric: 55% Cotton, 45% Polyester ● Size: Men's M (Japanese size L) Length 70cm, Width 53cm, Shoulder width 43cm, Sleeve length 23cm Please forgive any slight errors due to amateur measurements. If you have any questions, please feel free to comment.