The original Robot Rockabilly classic in black leather and charcoal suede. With hard wearing Goodyear welted air cushioned heat seal sole. The George Cox 4065 M/G Gibson Blk Lea Charcoal Suede is the original Robot Rockabilly classic, crafted with black leather and charcoal suede. And, with its hard wearing Goodyear welted air cushioned heat seal sole, you can trust that it's built to last.