How to wear a gilet get the most out of your down Sale Fiona Fiona Down Gilet Women's Launde Down Gilet Stone Blue Schffel Country Fiona down jacket in black Goldbergh Mytheresa. Barbour is renowned for its ever practical designs and carefully considered functional details, take the Barbour Fiona Down Gilet, for example. Designed to provide optimal warmth on chilly days, this gilet can be worn layered over a classic t shirt or even paired under one of our classic waxed jackets for extra insulation.