September in Montana for sharptails, Georgia for dove, or sporting clays in the summer aren't much fun if you're not equipped to handle the heat. The Open Prairie Shirt is a lightweight synthetic shirt that is vented down the sides and under the back yoke to keep the air moving and promote evaporational cooling. Tab-front button to secure a lanyard. Hidden button-down collar to eliminate collar flap in the wind. Blaze option for upland hunters. In tan, tan/blaze. Nylon. Washable. Imported.