1. Polarized, offer 100% UV protection, blocking 100% of all harmful UVA, UVB, UVC light waves (up to 400nm); 2. Reduces Glare and Enhances Contrast; 3. Reduce eyestrain and protect your eyes from harm; 4. Impact Resistant - Passed FDA Drop Ball Test and Z87.1 Test; 5. Water,sweat,oil and dust resistant; 6. 10% Light Transmission and other people cannot see the wearer's eyes; 7. Fit oakley fives squared frame perfectly, just as good as factory's; 8.A free softcloth will come with the lenses We are standing behind our products and will do our best to offer every buyer a Prompt customer service, any questions will be responded within one business day. Littlebird4 Guarantee: *A Replacement or Refund against defect *Prompt customer service *Fast & reliable shipping Disclaimer: Littlebird4 Lenses and the Littlebird4 Lenses Logo are trademarks of Littlebird4 Optics LLC. Littlebird4 is not affiliated with Oakley in any aspects and use of the name Oakley is only used to describe the fit of the lens.