Colorado Buffaloes Men's Champion ECO Powerblend 1/4 Zip Pullover. This awesome midweight Colorado Pullover is made of 50% Cotton/50% Polyester and is built to protect you from the wind and cold. This Buffaloes jacket features an embriodered logo on the front left chest along with a covered zipper, and welt pockets. You're Colorado fan can show his true team spirit in his new favorite 1/4 zip in the stands or on the street! Go Buffaloes!! Officially licensed Colorado Buffaloes fan gear.