STORMSURE Leak Detector is perfect to find pinhole leaks in the breathable and waterproof fabric. Easy application, just spray it on the suspect area and see the leaks on the other side. Once the holes are identified you can repair the area with Stormsure Glue or a TUFF TAPE patch.
Breathable fabric is hydrophobic, so when you try to find a pinhole in your waders under the kitchen tap, the water is repelled from the small holes and forms spheres of water which roll off the fabric. It is only when the leak is under a meter or more of water pressure that the water will be forced through the pin holes and onto your feet (i.e. when you are waste deep in water in your waders!)
STORMSURE Leak Detector 30ml