Customer Reviews for Costa™ Hammerhead 580G Polarized Sunglasses

Costa™ 580 LightWAVE® glass lenses  100% UV protection 100% polarization  TR-90 nylon frames Stainless steel spring hingesIf you've got the guts you can swim with them, but we suggest you just kick back and relax while wearing them; Costa's Hammerhead 580 Polarized Sunglasses. The Hammerheads feature Costa's 580 LightWAVE® glass lenses which in addition to providing 100% polarization and 100% UV protection, they also incorporate an advanced filtering compound into the lens material to reduce yellow light. This results in enhanced colors and greater visual acuity in all conditions. LightWAVE® glass lenses are 20% thinner and 22% lighter than typical glass lenses but they still exceed federal standards for impact-resistance. Ultra-tough, full-wrap style TR-90 nylon frames with stainless steel spring hinges make the Hammerheads right for any adventure.  How to choose your Costa lenses: Blue Mirror: for offshore fishing and most watersports in bright sun conditions. Green Mirror: for inshore and freshwater fishing in variable conditions.