Big Football Store.com - your store for authentic Penn St. University football merchandise. Nittany Lions jerseys, shirts, jackets, hats, helmets, collectibles, apparel, vintage gear, tees, memorabilia, womens and kids gear, clothing, watches, tailgating gear and more. Start shopping by choosing a Nittany Lions product category below. Click here to view another NCAA team, or visit our home page for more product categories.