Why we made this We designed this shirt to take us from tee off to the 19th hole. Offset seams under the arms cut down on the chances of chafing and give us full range of motion for an unrestricted swing. Anti-stink Silverescent fabric and a mesh back panel keep us smelling fresh from the course to the clubhouse. Key features structured collar sits straight back mesh panel for extra breathability offset side seams cut down on underarm chafing four-way stretch, anti-stink Silverescent fabric is designed to sweat in Tech specs designed for: golf, tennis, to-and-from fabric(s): Silverescent®, anti-stink mesh properties: anti-stink, breathable, chafe resistant, moisture wicking fit: athletic length: hip *my husband is pretty sure this is a medium but please see photos for measurements as size tag was cut out Small snag (see photo) and size tag removed. Otherwise in great preowned condition Smoke free home