Perfect for hiding that holiday jet lag and adding a bit of pizzazz to your back-to-work ensemble, there's more than one reason to invest in a pair of statement sunglasses. Be it a classic aviator or a bejewelled cat-eye, they can effortlessly transform any look. Pick a pair from Balenciaga for a game of golf and if Sunday brunches need a pick-me-up, look to Karen Wazen for the sleek and stylish. What's more, given the region's alarmingly high UV index this summer, sunglasses are just as crucial as your SPF.