. Ms Miuccia Prada started using nylon back in the '80s and says it's still her favourite fabric to work with, thanks to its tactility and shine. A throwback to retro sportswear, these black track pants are detailed with a silver-tone carabiner clip and have expandable sides that unzip to create a roomier silhouette. The elasticated drawstring waistband and cuffs allow you to adjust the fit. Shown here with Prada jacket, Prada sweater, Prada sneakers.