Lanvin may be Paris’ oldest couture House, but that doesn’t mean the label isn’t tuned in to contemporary trends – as proven by this jacket. Clearly inspired by retro sportswear silhouettes, this stretch-infused, Italian-made piece will lend a decidedly casual air to your rotation, while the logo to the chest ensures its luxurious origin is known.How to wear Harrods: Style with a T-shirt, the matching sweatpants and sneakers.