Free Shipping & Easy Returns! Explore Costa Bimini Road 420 Eyeglasses now. Costa Bimini Road 420 is a Progressive Eligible frame for Men, which is made of Metal.Most metal frames are made out of Monel. Monel has a copper and nickel base. This metal can be corrosion resistant, strong, and easily adjusted. It retains its stability and shape. This model features a Square shape, with a Single Bridge.This model has silicone nose pads for comfort and easy adjustments.This frame features regular hinges, which are durable and are easy to repair.Costa Bimini Road 420 Eyeglasses come with a cleaning cloth and protective carrying case.About Costa Eyewear 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. 100% Authentic CostaFramesDirect.com is an authorized Costa dealer, selling only 100% authentic Costa eyeglasses frames. Made for men and women, each Costa prescription eyeglasses frame comes with its original brand markings, meticulously crafted to meet your high expectations.