Elegant and fluidly draping, these custom-fit Burberry trousers speak to more than just formal occasions, their flexible elasticated waist lends itself wonderfully to smart-casual styling. As the master of contemporary uniforms, the label puts a modern spin on classic suiting - the pair is even complete with drawstring ties that feel reminiscent of your favourite pair of sweatpants. How to wear Harrods: Style with a button-down shirt, a dress coat and heeled boots.