Bum bag by Karl Lagerfeld, From faux pas to hero piece, Adjustable body strap, Secure clasp fastening, Panelled design, Zip closure, Interior compartment. We love a style icon here at ASOS, and it doesnt get much better than Karl Lagerfeld. Known for bringing aspirational design with an accessible edge, the brands ready-to-wear collections come stamped with its signature logo. Our edit includes trainers, tops and bottoms, with watches, bags and small leather accessories thrown in, too.