With bright days of sunshine on the horizon, it is time for an overhaul of your summer kit! While most of the warm weather essentials are non-negotiable, on the topmost of them all are the sunglasses. Well, combating the harmful sun rays is the primary function of your pair of sunnies, but the accessory is far more versatile that you can imagine. Sleep-deprived? Put on the shades. Feeling sassy? Don a chic frame. Basically, there’s every reason under the sun to buy a stylish one.