Presenting the Men's Diego Square Polarized Sunglasses by Costa Del Mar, crafted for peak performance in a matte black/sunrise silver mirror finish. Made from durable nylon, these sunglasses feature an innovative vented spring hinge system, flexible strap-ready temple tips, and unique top and side shield details to prevent light leak. Equipped with color-enhancing polarized 580 lenses, they provide 100% UV protection. Designed to keep you comfortable and focused, whether you're fishing for Yellowtail or Bluefin.