Penn State Nittany Lions Colosseum Friends Short Sleeve Polo Shirt. This mens Nittany Lions polo is made of 89% polyester/11% Spandex. The Penn State logo is a rubberized print that is meant to last season after season. This unique Penn State shirt features a unique lightweight training polyester. The polo has a three button placket and is made of a machine washable material that will last for many seasons. This Penn State shirt is perfect to show your Nittany Lions colors on game day, on the green or anywhere you want to show your team pride! Go Nittany Lions!! Officially licensed Penn State Nittany Lions fan gear.