The Pasadena Silk Sox were a minor league baseball team based in Pasadena, California that existed from 1910-1913. In 1910, they played at the Class D level in the Southern California Trolley League. This design is part of our old school retro baseball tees inspired by the vintage and now defunct Minor League Baseball teams of yesteryear. Printed on our super soft 100% airlume ring-spun & combed cotton long sleeve T-Shirt. Or upgrade to our Luxury 52/48 cotton/poly vintage heather edition for an even softer classic look. We print & ship all of our high quality graphic tees in the USA.