You can try some boot grease or boot oil, I prefer obenauf's.
This is a pretty good deal from them. (the waxed boot laces in the kit are the best thing in the world for side-zip boots. Wish you could order them on their own).
http://www.obenaufs.com/product_info.php?c...05ef720ce8be9ca
This is a pretty good deal from them. (the waxed boot laces in the kit are the best thing in the world for side-zip boots. Wish you could order them on their own).
http://www.obenaufs.com/product_info.php?c...05ef720ce8be9ca