The new Master Series is Dive Shades finest sunglass series. The three styles included in this series utilize the very best premium silicone available for comfort and TR-90 frame material for added durability. This combination of materials makes these sunglasses the most comfortable and durable series period. In addition, our new polarized multi-layer blue mirror lens includes our SSR coating as well as one that repells saltwater. These high quality sunglasses include a deluxe micro fiber carrying case as well as a 2 year limited warranty covering manufacturer's defects. Be sure to check out all three of our new Master Series sunglasses.