adidas Originals - Chicago Track Pant (White/Black/University Red) - Clothing: Hooking back to the Chicago Track Top, these pants will keep you warm and stylish on the windiest of days in the Windy City. Elastic waist with drawcord. Hidden pocket on rear. 3-Stripes down legs. adidas brandmark on upper left leg. 85% Polyester, 15% Cotton interlock.