Beck's Bum Bag | Whether you call it a bum bag or a fanny pack, there’s no denying that this is the hottest bag to be wearing right now! Bum bags have taken fashion and styling by storm. Throw on the Beck's Bum Bag and head out to the party, knowing that the checkered strap will give every outfit that little bit extra. Wear the Beck's Bum Bag around your waist or over our shoulder and across the chest. Beck's Bum Bag’s Black color is timeless yet totally on-trend, which makes this the classic bag it is.