More and more people would like to wear sunglasses to protect our eyes from the sunshine and make us more elegant. However, lots of people don't know which kind of sunglasses are suitable for them, and they don't know the shape of their face. Now, using tape, measure your face across from the widest points by following steps and write down the measurement: Measure your forehead across from the widest point. Then, Measure jawline across from one end to the other at the widest point and measure cheekbones across at the widest point. Lastly, measure from the your hairline to the bottom of your face. You will know your face shape correctly through these steps. You can choose the right sunglasses for you after measuring your face. Square face features broad jaws, wide chin and forehead, for this shape, metal framework with dark lenses look great on square faces, accentuating your chiselled features. Also, oval and round frames look great edged with a solid acetate rim. Besides, go for the butterfly frame to soften a really strong jaw, ladies, and you can try narrower frame sunglasses that have more width than depth, to widen the eye area.