4XL - Men's long sleeve polo. Aqua-Dry (R) Pique. 5.75 oz, 96/4 Dry Wicking Poly/Spandex. Awesome no-curl collar. Snag resistant, wrinkle resistant. High percentage of reorders. Light colors sublimate well. Colorfast. Easy to maintain. It breathes well, it stretches when you move, and it's virtually maintenance free. It last long in the field.