This garment was originally a Medium but, unfortunately shrank after washing. Now fits like a slim-fit small. Check the measurements: 20" between armpits 26" length If dressing up means reaching for your "fancy flannel" , it's time to up your game with the Sutton. A bestseller for its minimalist design, the Sutton's slim fit and single chest pocket pair nicely for a refined yet easygoing look. Just the right amount of laid-back comfort combined with a modern tailored cut make the Sutton a true closet staple. Slim Fit: Fitted in the chest and sleeves, with a slight taper at the waist. 100% Cotton Single chest pocket