ADVANCED POLARIZATION FOR MAXIMUM VISUAL CONTROL: These grinderPUNCH sunglasses feature advanced polarized lens technology designed to eliminate harsh glare from roads, water, and other reflective surfaces. Ideal for high-glare environments, they dramatically enhance visibility, improve depth perception, and reduce eye strain during extended wear. Whether you're cruising down sunlit highways, or enjoying a full day outdoors, these lenses keep your vision sharp and your eyes protected. UV400 PROTECTION & SPRING-HINGE COMFORT: Engineered with full-spectrum UV400 protection, these lenses guard against 100% of harmful UVA and UVB rays, minimizing long-term sun exposure risks. The integrated spring hinges flex comfortably to match a range of face widths, providing a snug, pinch-free fit that adapts to your movements. Whether you're wearing them for a quick trip or all-day adventure, the secure hold and pressure-free feel make these sunglasses a go-to essential. SLEEK FRAME, BUILT FOR PERFORMANCE: Not just another pair of shades—these sunglasses are precision-built with a clean, unisex silhouette and rugged construction. The matte finish offers a contemporary edge while resisting fingerprints and scratches. Lightweight yet impact-resistant, the frame is durable enough for outdoor sports, work settings, or everyday use, all while delivering a universally flattering design that fits men and women alike with confidence and comfort. BUILT FOR ACTIVE LIFESTYLES: Stay ready for movement, weather, and anything in between. These sunglasses are made to handle the demands of real life—from sweaty trail runs to coastal winds. The non-slip fit and flexible build mean they stay in place during motion, while the sturdy frame resists warping, cracking, and fatigue. No constant adjusting or babying—just durable protection and elevated design that keeps up with your pace. HIGH-CONTRAST BLUE LENSES FOR CRISP VISION: The tinted mirror coating helps filter out excess light, balance natural colors, and enhance contrast for sharper visuals. Perfect for open water, reflective roads, and cloudless skies, the blue lenses help reduce squinting and improve clarity across long distances. Whether you're driving, fishing, or on the job, these lenses provide a cool, comfortable viewing experience all day long. PRODUCT DIMENSION: Frame Width: 145 mm (5.70 inches), Lens Width: 54 mm (2.13 inches), Lens Height: 46 mm (1.81 inches), Temple Length: 146 mm (5.75 inches), Nose Bridge: 21 mm (0.83 inches).