GUARDIAN SHIRT: This low-profile pullover allows you to conceal a firearm with the professional appearance of a button-down shirt. A semi-compression underlayer can be tucked in so you can store your firearm in a holster without chafing the skin. RAPID FIREARM ACCESS: Constructed with snap button closures down the bottom half of the shirt for swift access to your weapon. VAPORCORE: Designed with VaporCore and 37.5 fabric technology to keep your body at its optimum temperature, dry up to 5x faster than similar fabrics, and resist color fading. COMM LOOPS: Organize and conceal wires and cords with a comm loop on the inside of the back collar and wire pass-throughs in the front and back of the underlayer. E&E STORAGE: Conceal Escape & Evade equipment and other small tactical tools in front hidden placket pockets.