Image setting up the fly fishing trip of a lifetime. You travel to a lodge at a far off destination like Alaska you unpack, gear up and find out your Felt Sole Wading Boots are BANNED!
Research has shown that felt and other fibrous materials can harbor invasive species for extended periods of time. Essentially felt soles take a long time to dry out. The drying cycle kills off the “bugs” which eliminates the transfer. Rubber soles dry fast so the nasty water born critters die.
