Costa Del Mar Blackfin and Permit

These polarized shades feature the company's proprietary co-injected Hydrolite lining, a rubberized composite compound that stretches from temple to temple and across the nose to provide a no-slip, comfortable fit.

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Tired of your sunglasses slipping down your nose when slinging flies under a hot sun? Then check out the new Blackfin and Permit models from Costa Del Mar.

These polarized shades feature the company's proprietary co-injected Hydrolite lining, a rubberized composite compound that stretches from temple to temple and across the nose to provide a no-slip, comfortable fit. Blackfin and Permit (side-venting) sunglasses also feature a contemporary, large-eye frame shape and flexible, stainless-steel hinges that ensure an ideal fit. Available in nylon frame colors such as shiny tortoise and matte black, Blackfin and Permit sunglasses have an MSRP that ranges from $139 to $239. www.costadelmar.com.