From shopping to trail climbing, this short-sleeve shirt keeps you comfortable in a soft fabric blend and classic silhouette. This stylishly casual shirt is made from a blend of 70% Polynosic Modal 30% polyester, that does not does not shrink or get pulled out of shape when wet, and offers a silky feel. A stylish shirt with a single button down chest pocket, fold over collar, and button up class. Columbia offers this men’s short sleeved shirt in multiple patterns and sizes. Extended sizing available. Regular Fit. Extended sizing available. To ensure the size you choose is right, utilize our sizing chart and the following measurement instructions: For the chest, measure at the fullest part of the chest, under the armpits and over the shoulder blades, keeping the tape measure firm and level.