At a place where green jackets never go out of style, the sometimes-wild, often-trendy and always-interesting fashion sense of those playing Augusta National has become a viral subplot to the competition at the Masters this week. At the forefront may have been Jason Day, playing alongside Tiger Woods, who wore some loose-looking slacks from Malbon on Thursday that harkened back to the baggy shorts from the Fab Five era of Michigan basketball. Then, on Friday, the former PGA champion slipped into a white vest that read in bold letters across the belly, “Malbon Golf Championship.”