The Open Air Caster is Orvis' lightest and most ventilated fishing shirt. Perfect for late-spring and summer tropical fishing. Poly/nylon blend dries quickly and promotes evaporative cooling. Back is caped and lined with our lightweight mesh. Front chest above pockets is also mesh vented. Concealed button-down collar eliminates wind flap. Orvis sunglasses cleaner in hem. Chest pockets are flat with pleats. Straight hem. UPF 40+. Polyester/nylon. Washable.