A classic Italian tortoise frame with yellow gold accents make for a well-balanced combination in the JS Jack Tortoise. The gloss Havana finish creates an elegant and distinguished appearance, and polarized gray lenses bring a modern touch to a timeless design. Frame Finish / Color: Gloss Tortoise Accents Finish / Color: Gloss Yellow Gold Lens Color: Gray (Polarized) Size / Fit: 52-18-145 (Small/Medium) The frames are crafted from a high-grade Italian cellulose acetate, and each frame is individually hand-polished and assembled. German-engineered 5-barrel hinges and screws are used to retain smooth movement for years to come, and a wire core extends from hinges to support temple shape. Their lenses are made from an impact resistant CR-39 that provides incredible durability and exceptional visual clarity. Polarized lenses come standard, and all lenses include optimal protection by blocking 100% of UVA and UVB rays. Lenses also have an anti-scratch hard coating to reduce damage and an anti-reflection coating to reduce glare. Backed by their Lifetime Warranty A dedicated replacement with every pair. No fees, no questions asked...