Army Black Knights Men's Champion Textured Solid Short Sleeve Polo. This Army 91% Polyester/9% Spandex textured Stripe jacquard polo features a rib knit collar and 3 button placket. This Black Knights Polo has an embroidered logo on the left chest along with open sleeves and side vents. Show off your Black Knights pride and dress to impress on the course or at your next tailgate. West Point Military Academy Officially licensed Army Black Knights fan gear.