Shop Costa Del Mar Men's Polarized Sunglasses online at Macys.com. Experience sunglasses for life's great adventures. Born on the water, Costa Del Mar sunglasses are designed for those who love the open water. Each pair is packed with patented technology that enhances colors and eliminates haze and blur. With a variety of materials and lens colors, Costa Del Mar sunglasses are designed for specific activities and varying light conditions. The Untangled Collection: These frames are made from 100% recycled fishing nets and are a tangible solution to help reduce plastic pollution.