COSTA DEL MAR FLY LINE SUNGLASSES - MATTE BLACKDesigned for watermen seeking proven performance with a modern look, the Fly Line sunglasses combine comfort, coverage, and retention in one high performance frame. Inspired by our best selling Reefton frame, Fly Line features an 8 base wrap that protects your eyes from light and the elements. Key Features: Protective Wrap: 8 base curved, decentered lenses for maximum coverage and reduced light leak Comfort & Retention: Double injected Hydrolite on