GameGuard Agave Microfiber ShirtGameGuard's best selling style, the MicroFiber is a must have for your daily adventures. We keep it simple but turn it up with your favorite features. Like a vented back panel with a mesh lining, vertical venting at the chest, flat chest pockets and fast drying performance fabric with UPF 30+ protection, and a tagless collar. It's the preferred shirt of GameGuard fans everywhere, for a reason.