TONIC Trakker Photochromic Polarized Sunglasses for Men & Women - UV Protection, Lightweight & Durable for Running, Cycling, Hiking & Outdoor Sports

Our Fishing Eyewear makes each lens Optically Decentred which is important for viewing true depth and true distance. Optical Decentration eliminates PRISM or the feeling that you are losing footing when you are walking through streams and over rocks.

This Dry Eye Eyewear is the only fishing sunglass using Crystalite Glass: the clearest glass lens currently available. It has only 1.7mm thick Tonic is comparably lighter than any other lens on the market, where most are 2.0mm thick. So Tonic sunglasses can be worn all day and don't feel heavy.

Specifications

• Lens: 1.7mm 
• Frame Material: Plastic
• Lens Material: Polycarbonate
• Head Size: Medium to Large