Stretch Material Oxford Shirt Size is M, but Recommended for those who usually choose S size. Slim and neat, The length is shorter than usual by 1-2 cm, making the upper body look beautiful. Made of stretch material, it's easy to move in. Measurements (approximate): Length: 68 cm Shoulder width: 41 cm I chose size M, but It was too tight on my shoulders for my body type, so I put it in the closet without ever using it. There are no sweat stains at all. Will be shipped in simple packaging. Color...Blue Pattern...Solid Collar Design...Button-down (BD)