Polarized Ikon Replacement Lenses For Costa Del Mar Isabela Sunglasses - 11 Colors Designed, Manufactured, And Tested In The USA Taper Corrected Injected Molded Polycarbonate - (Same Quality As Your Original Costa Del Mar Isabela Lenses) Exceeds ANSI Z80.3, EN ISO 12312-1:2013, and AS/NZS 1067:2003(A1:2009) Standards & ANSI Z87.1 High Velocity & High Impact Standards 11% Light Transmission - Neutral Grey Tint Ikon Lens Cleaner & Microfiber Cloth Is Included