SAGE Thermo Reel ChampagneBig Game Heavy Duty When entering the world of big game flats fishing and bluewater behemoths, heavy duty is the name of the game. That lifetime tarpon, monster trevally, or massive shark could come into sight at any second, and for the angler hunting these big game fish, knowing your tackle can handle the fight is paramount. In steps the THERMO heavy duty in every sense. Designed to handle any tippet busting, finger cutting, hard charging fish one