Fits Costa Del Mar Tuna Alley frames only.Designed, manufactured, and tested in the USA - Ikon Lenses are second to none when it comes to performance and fitment for your Costa Tuna Alley Sunglasses. Our replacement lenses are made from the same injected molded polycarbonate as your factory ones plus we incorporate the newest polarization and anti glare features to protect your eyes and reduce eyestrain. - Infused polarized film technology eliminating the need for glues. - Exceeds ANSI Z80.3, EN ISO 12312-1:2013, and AS/NZS 1067:2003(A1:2009) Standards. - Exceeds ANSI Z87.1 High Velocity & High Impact Standards. - AR Coated (anti-reflective) crucial for glare reduction. - Melanin injected blocking 100% of all harmful UVA, UVB, UVC light waves (up to 400nm) - Hydrophobic & Hard Coated for smudge and scratch protection. - Taper corrected to eliminate peripheral distortion. **Costa Tuna Alley Frames are not included** Ikon Guarantee These truly are the best aftermarket polarized replacement lenses on the planet: - 2 year warranty against manufacture defects - Efficient and effective customer service (responses within 1 business day) - Fast free shipping & free returns