I've only ever worn Xtra-Tuffs climbing through the same crap in and around Juneau, Admiralty, Kuiu, most places worth hunting/fishing in SE AK.
I never needed it, but a buddy of mine wore a pair of those lace-up ankle braces for extra ankle support.
My feet would sweat, but that's unavoidable when you're trying to climb 4500' in a couple hours, or while hiking all day.
I started out using them thinking i could upgrade to some Meindls if they didn't work out so well...never needed to upgrade.
If you get the xtra tuffs, make sure you get the insulated version. I added a wool sole for a little more padding.