These shirts provide superior quality and value. VISA fabric wicks moisture away from your body. This keeps you more comfortable. It is also wrinkle & stain resistant. It is made from a 7.0-7.5 oz. 100% DACRON tropical fabric. Other features include: Heavy duty interlining in collars, epaulets, pocket flaps, and cuffs; pocket flaps with hook & loop side closures; traditional sewn-in creases; break resistant melamine buttons. The added length in the shirt helps keep it tucked in. It was designed to be worn with body armor. All in all, a great shirt at a great price!