This lightweight shirt/jacket was designed for the Canadian combat forces in 1970. The Fabric is made of a Cotton and Nylon interlocking. The combination allows for lightweight breathability, through the cotton, and a quick dry, durability with the Benefits of Nylon. When wet, these shirts will dry in 15 minutes. It has amazing pockets throughout the shirt/jacket. * Two angled front chest pockets for ease of use, measure 6" x 3 1/2" with 1" added on sides for extra room * Classic shoulder epaulets * Reinforced elbows * Internal pockets-originally for secret documents, VELCRO brand closures .Closure- measure 9"x6" very big * Hip pockets 7"x10" with 2 inner nylon pockets meant to hold bullets or magazine clips * All pockets with flap and button closures * Draw string at waist * Belt loop tabs hold buttons down securely .* Some shirts with subdued Canadian flag patch on arm side * 2 back darts .These jackets fit very loosely. They are great for lightweight wear in warm weather. And it can be layered upon in the colder season. Many people love them simply for their comfort and usability.