Designed, manufactured, and tested in the USA - Ikon Lenses are second to none when it comes to performance and fitment for your original Maui Jim Stingray MJ-103 frames. Our replacement lenses are made from injected molded polycarbonate 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. **Maui Jim Stingray MJ-103 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 Disclaimer: Ikon Lenses and the Ikon Lenses Logo are trademarks of Ikon Optics LLC. Any usage of the Maui Jim trademarks is only to describe those products. Maui Jim, Inc. is not associated with Ikon Optics and does not endorse, sponsor, support, or associate with Ikon Optics LLC products.