Costa Blackfin Pro Sport PRO Delta SE is pictured w/

Delta SE is pictured w/ a black collar strap

Powered by a special non-toxic formula that freezes at a chilly 28°F (-2°C) and is specifically designed to keep beverages colder than ice

Use the USB-C cable (sold separately) to plug into your computer or power adapter to recharge your battery pack

with triple Robust shafts

PRO 550 features vibration and tone settings

Costa Blackfin Pro Sport PRO Delta SE is pictured w/Experience the ultimate in eye protection and clarity with Costa Blackfin Pro Sunglasses, engineered for the serious angler and outdoor enthusiast. These sunglasses combine advanced technology with a sleek design to ensure you stay comfortable and stylish while engaging in your favorite activities.