Paul, get the nix wax tech wash and tx wash in for waterproofing. step 1. use the nix wax tech wash with your waders in the machine washer on delicate cycle and cold water. step 2. wash in gentle with cold water again with the tx wash, this is the waterproofing stuff that makes the rain water bead off your waders. step 3. put your waders in the dryer in low setting for about 20 mins to let the heat penetrate the waders so the tx wash in does its course, it will still be a bit damp in the neo. booties, but you dont want to fully dry it in the dryer. step 4 . take them out and hang dry for the remaining time.