Vintage 1970s Double Bridged Unisex Sunglasses with Custom Made G15 Lenses MODEL: WALTON-SP SIZE: 56-19-145 These Handsome Frames were Manufactured in British Hong Kong. The Lenses on These Sunglasses are Custom Made G15 Lenses with UV 100% Protection. G-15 lenses refer to the color of the lenses, & the amount of light that passes through. G equals green, 15 equals the percentage of light. They block 85% of the light. Our Entire Collection of Frames & Sunglasses are True Vintage & have been in storage for over 50 Years. They were Recently Discovered. These Frames have never been used. Our Entire Collection of Frames can be taken to your Optometrist or Optician to have them Upgraded with your (Rx) Prescription. Our TOP Priority is your Satisfaction & we Pride Ourselves on Delivering Superior Customer Service to all of our Buyers. Vintage 1970S Double Bridged Unisex Sunglasses With Custom Made G15 Lenses Model Walton-Sp