The Nike ACG Wolf Tree Pants are made from 100% Polyester Polartec® fleece and feature an on-seam gusset and articulated knee panels. The Black and Anthracite pants use an elastic waistband and adjustable interior drawcord, plus zippered side and single back pockets. Elastic binding finishes the cuffs, and embroidered logos sit on the front left leg, above the back pocket, and above the left cuff.