Seems most the boots I’ve gravitated towards are all nubuck. Meindl, Lowa, Hanwag—all nubuck.
Grangers used to make a liquid G-wax that worked better than anything I had found, but then all the sudden couldn’t find it anymore. So then used nikwax nubuck & suede treatment for a bit, and it works so-so to ok for a single day, but when afield for weeks at a time, it fails miserably. Had a couple trips where boots were wet for days and days of the trip.
Now I typically take and use the nikwax liquid one time, two coats. After it all soaks in and dries, I never use it again. After I wear them a few times, I just go ahead and hit them with a wax product like obernoarfs (sp?). It works great and honestly seems to take it up more than the slick tanned leather does. BUT—it won’t look like nubuck any longer, ever again. Will have the appearance of regular tanned leather, and will wear wonderfully. Does a great job of protecting the leather and prevent8ng it from just getting so soaking wet. Go stand aro7nd in a stream for hours on end, the leather will get wet, even a full day slogging through wetlands, but other than prolonged submerging, does a great job of shedding rain and occasional submersion.