Can't recommend any boots but I use GT85 clear chain lube to clean and waterproof my boots/gloves etc.
Stops the stitching rotting as well.If you try some on a glove and then run water on it under a tap you will see the water bead off.
If you want to go expensive,
https://www.ebay.co.uk/itm/Tarrago-N...sAAOSwg3****QU
but as I get a big can of GT85 for £3.00 from Wilkos I'll stick with what I know works for cheap
