Vintage Petaluma California t-shirt with a classic distressed and worn look. The Petaluma California vintage t-shirt design makes an excellent patriotic clothing choice. This unique vintage t-shirt also makes a great gift idea for those who are proud to be from Petaluma California and who love Petaluma California CA. The retro Petaluma California arched vintage sports t-shirt design is printed on a 100% Cotton t-shirt. Pre-shrunk to make sure your size is maintained throughout several washes, and offers a classic fit.