Uniqlo Easy-Care Slim Fit dress shirts (M) Arm: 26 1/4" Pit to Pit: 21.5 Length: 30" Neck circumference: 17.5" 96% Cotton 4% Spandex The 4% Spandex mades this shirt super comfortable and stretchy! Most comfortable shirts I ever had! Selling them because they don't fit me anymore. They are Easy-Care shirts, so they don't wrinkle much, even after you pull them out of the dryer. They come with collar stays, so the collar always looks sharp! Selling 7 of them!