Nash Titan T1 Pro Fishing Bivvy Overwrap, The Nash Titan T1 Pro Fishing Bivvy Overwrap is the perfect addition to your fishing bivvy for those colder, more demanding conditions. The overwrap provides additional warmth and reduces condensation, while also offering extended storage space between the wrap and front infill panel. This is perfect for storing buckets, waders, boots and clothing. With the Nash Titan T1 Pro Fishing Bivvy Overwrap, you’ll be able to fish in comfort no matter what the conditions are.