The Kingfishers are our largest square-frame design. Whether you're looking for a better fit for a larger sized head or appreciate an oversized style of shades, the Kingfishers boast a confident look up at altitude. Flying Eyes Features: Flexible temples made from Resilamide™ are 1mm thin for ultimate comfort and functionality Shatterproof, polycarbonate lenses that block 100% UVA/B light which keep your eyes safe Adjustable, soft nose-pad keeps glasses properly positioned and balanced for optimal fit Every purchase of Flying Eyes eyewear comes with a hard case, microfiber bag/cloth, and a Flying Eyes sticker.