Experience a world of amazing color, contrast and clarity through a pair of Costa sunglasses. Exclusive, polarized Costa 580™ lenses eliminate much of the glare and yellow light that negatively affects vision. Lenses are impregnated with 100% UV protection to block the sun's harmful rays – and it won't wear off over time. Anti-reflective, water-repellent coating sheds water and snow. Exclusive lifetime warranty.