Costa Del Mar's 06S9105 Tuna Alley Pro sunglasses are a luxurious accessory for the beach, fishing, and coastal activities. The rectangular frames are made of injected crystal polarized material and come with a polarized lens to protect your eyes from the sun and reduce glare. These sunglasses feature Costa Del Mar's signature three-hole venting system which helps prevent fogging in extreme heat and humidity. The sleek design of the frames combined with their lightweight construction make them perfect for those who want comfort and style when they're out on the water.