Army Black Knights Men's Champion ECO Powerblend Banded Pant. These Army 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 Black Knights logo on the left leg. These West Point sweatpants have side pockets, covered elastic ankles, inside quickcord at in the waistband and are machine washable. Go Black Knights!! West Point Military Academy Officially licensed Army Black Knights fan gear.