I have had these Filson double tin pants for about a year and a half. This my my review of them and how to go about resealing them with a waterproofing compound and what to use.
You can buy the Otter wax here- https://amzn.to/2EafDQC
Filson only sells their Oil finish wax from their web site. - https://www.filson.com/filson-oil-fin...