S0510XX-BOB Aoki Tachikage 15oz- Black-on-Blue 510 modelThe 15oz Black on Blue Denim Tachikage from Samurai is a study in depth, contrast, and long term evolution. At first glance, the denim appears to be a classic black on black, but wear slowly reveals its true character. Using a specially developed #6 slub yarn, the warp undergoes a three stage dyeing processfirst rope dyed with indigo, then overdyed with a black sulfide finish. As the fabric ages, the black top layer wears away to expose the indigo