Costa Del Mar Bonefish Bay SunglassesCosta Del Mar Bonefish Bay Sunglasses: Costa Del Mar sunglasses are specifically engineered for FISHING BOATING & other WATER SPORTS: the Bonefish Bay is made of MONEL metal with SPRING HINGES and ADJUSTABLE NOSE PADS for superb comfort and fit. WATER-REPELLENT POLARIZED lenses eliminate water surface glare & ensure superb optical clarity. Wave 580 lenses REDUCE COLOR DISTORTION & yellow light. Costa Del Mar sunglasses provide 100% UV PROTECTION.Size: 57-17-135 mm Frame: Satin Gunmetal Lens: Polarized Grey Wave 580 Glass