Show up in classic game day style with a new Oakland Athletics shirt from our shop at Lids.com. Our assortment of A's shirts come in a variety of styles and sizes that all show off official A's colors and graphics. From casual Oakland Athletics short-sleeve tees to long-sleeve shirts, we got you covered for any time of the season. For those hot game days, snag a comfortable A's tank top. Be sure to check back for new arrivals of Oakland Athletics t-shirts so you're ready for every event throughout the season.