SPEARO™ XL named for spearfishers — the silent hunters of the sea The SPEARO™ XL provides the same great style and technology as the original. Dive in and take hold of your day with all the features you need: Hydrolite® nose pads, integral CAM hinges and nonslip temple tips deliver optimal comfort. No matter what you have on deck, the Spearo XL is ready for you. Everything looks better and clearer with Costa Sunglasses in 580G! Costa polarized glass provides superior clarity and thanks to encapsulated mirrors between the layers of glass, they are scratch-proof too. The material is 20% thinner and 22% lighter than average polarized glass. Don't settle for any less when you need to scan for fish rising or just want to enjoy a beautiful day on the water without glare.