I've got some Arrans in cavalry calf that I've had for a couple years.
Basically I don't do anything beyond wipe them down with a damp cloth and give them a bit of buffing
I may have conditioned them once.
They still look nearly pristine but the extent of my bad weather usage is walking across a parking lot in the rain.
According to C&J website
"Waxed-finished or waterproof leather uppers should be treated with dubbin or a ‘waxed leather cream’ to condition, soften and...