The 69th Pennsylvania Infantry (originally raised as the 2nd California) was a volunteer regiment in the Union army during the American Civil War. Part of the famed Philadelphia Brigade, it played a key role defending against Pickett's Charge during the Battle of Gettysburg. Companies I and K wore a very Americanized Zouave uniform. This uniform consisted of a dark blue Zouave jacket with green trimming, green cuffs, and sixteen brass buttons down the front on both sides of the jacket, a sky blue Zouave vest, chasseur sky-blue trousers, and a dark blue kepi. This was one of the few Zouave uniforms that did not use red as the jacket trimming.