Gear up for adventure in Ocean Ridge 300 eyeglasses from Costa. Best known as a maker of top-notch fishing shades, Costa knows some of life’s adventures happen off the water and out of the sun. Adventurous types need clear vision and rugged frames on all of life’s journeys: Enter the Ocean Ridge 300. These full-rim frames are made of earth-friendly bio-based resin, manufactured from seeds of the castor plant. Temple interiors feature topographical designs, and exteriors feature the signature Costa C. Bring adventure with you in the Ocean Ridge 300 glasses from Costa.