Free Shipping & Easy Returns! Explore Costa C-Mates Bifocal Readers Tuna Alley Sunglasses now.
The perfect combination of polarized sunglasses and bifocal readers, the Tuna Alley comes from the C-Mates collection by Costa. The full-rim frames are made from bio-based nylon, an eco-friendly plant-based resin that’s lightweight, durable, and holds its shape in extreme conditions. The integral hinges are durable. Temple tips are curved inward with added grip on the interior for a secure fit. The patented vented system in these bold frames allows cooling airflow to reduce fogging. Adorned with the Costa C at the temple, these Tuna Alley bifocal glasses make a sporty option for the active wearer.
Costa eyewear is made for those with an active lifestyle, bringing a healthy dose of fashion to the beach or trailhead. Polarized sunglasses, eyeglasses, and C-Mates bifocal readers by Costa will help you navigate in any direction your adventure leads. Created by fisherman for fisherman in the late 1980s, Costa continues to create quality sunglasses and eyeglasses with innovative technologies. These performance glasses were "born on the water," and they’re made to last—each pair is a worthy investment.
FramesDirect.com is an authorized Costa dealer, selling only 100% authentic Costa 580 polarized lenses with its sunglasses, prescription sunglasses, and readers frames. Costa sunglasses readers bring you the best of both worlds, with Costa lens technology combined with gradual magnification in powers from +1.75 to +2.50 (no visible line).