We haven't found anything better for repairing your waders or other outdoor gear than McNett Aquaseal. Aquaseal repairs rips and tears easily, drys clear, remains flexible, stretchable and foldable. You can't ask much more from a repair product than that.
Aquaseal can be used for repairs on neoprene, nylon, GORE-TEX® fabric, Nypalon®, urethane, rubber and much more. 3/4"oz Tube
If you need your repair to dry quicker use with Cotol-240™ Cure Accelerator, sold separately.