by: Sarah Blessington Costa Del Mar Ballast MSRP: $159 (BUY NOW) Frame: TR90 Nylon, integral hinge, rimless Lens: 580P, 100% UV light blockage, 100% Polarization, Impact and Scratch Resistant, Costa C-WALL Coating Weight: 16 grams I grew up terrified of expensive sunglasses. I was sure that there was no way I could keep track of something so small and fragile, for … [Read more...] about REVIEW: Costa Del Mar Ballast Women’s Sunglasses