Square Category 4 Sunglasses Bold geometry meets maximum UV protection. These square-framed sunglasses deliver a sharp, modern silhouette while Category 4 lenses block 99% of harmful rays—ideal for intense sun exposure and high-glare environments. The structured frame design flatters most face shapes and works equally well for everyday wear or outdoor adventures. Premium construction ensures durability without compromising style. Elevate your eyewear collection with frames that command attention and lenses that truly protect.