This is a short-sleeved shirt perfect for Cool Biz. The gingham check pattern makes it suitable for casual wear as well. We will also include a BEAMSf short-sleeved shirt as a bonus. ① Black Horizontal Collar: M Shoulder width 42 Length 73 Armpit width 50cm ② Blue Horizontal Collar: M Shoulder width 42 Length 75 Armpit width 50cm ③ Black Button-Down: M Shoulder width 42 Length 75 Armpit width 50cm For reference, I am 176cm and 64kg, and these fit me perfectly. Items ① to ③ have been worn about once per summer and are beautiful items owned for 3-4 years. Shape-retaining. We will ship them compactly, so please excuse any folding creases. Thank you for looking.