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