Harvard Crimson Colosseum Bull Durham Short Sleeve Tee. This team color Crimson shirt is a dual blend of 52% Cotton/48% Polyester for 100% comfort. This Harvard shirt has the team logo screen-printed on the left chest. The 3-button henley shirt has all the comforts of a tee but the style that can easily be business casual. Show off your Harvard pride at the office or out with friends. Go Crimson!! Officially licensed Harvard Crimson fan gear.