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