. Cartier Eyewear's sunglasses are crafted to the same exacting standards as the house's exquisite jewellery and watches, which explains why Messrs Kanye West and Pharrell Williams are fans of the brand. Expertly made in Italy from tortoiseshell acetate, this round-frame pair has green polarised lenses with full UV protection and polished gold-tone trims. Keep them scratch-free in the sleek leather case when the clouds come out.