Penn State Nittany Lions Colosseum Boy's Spike Long Sleeve T-Shirt. This youth Penn State tee is made of a dual blend 52% Cotton/48% Polyester fabric to ensure that perfect fit and comfortable feel. The shirt features an awesome bold team name and logo on the front with the team mascot name on the left sleeve. Now your little Nittany Lions fan can play, keep warm, and cheer on his favorite team at the same time. Go Nittany Lions!! Officially licensed Penn State Nittany Lions fan gear.