100% Cotton Made in USA and Imported Pull On closure Machine Wash Show off your style in this great Purdue Boilermakers Basketball Peak Long Sleeve! Underground Printing uses cutting edge technology to create the highest quality t shirts out there! We have thousands of designs! Check out our store for great items to wear around campus, at home, or on a night out on the town! We have a great selection ranging from official collegiate printed t shirts to funny novelty t shirts.