When it comes to curating an evergreen wardrobe, there's one fashion mantra that reigns supreme: invest in high-quality staples and you'll reap the rewards for many years to come. The Row knows this all too well, echoing this ethos with the Ophelia jumper in a luxurious wool-cashmere blend and a relaxed silhouette that'll always be on trend – and what more would you expect from the Olsen twins renowned for their eternally cool designs? Wool/Cashmere. Colour: grey