Washington State Wazzu Men's Champion ECO Powerblend Banded Pant. These Washington State pants are made of 50% Cotton/50% Polyester and are great at the gym, walking through town or just lounging around the house. The pants proudly display an embroidered Cougars logo on the left leg. These WSU sweatpants have side pockets, covered elastic ankles, inside quickcord at in the waistband and are machine washable. Go Cougars!! WSU Cougars Officially licensed Washington State Cougars fan gear.