Got to put another 220 miles on my Missions yesterday, about 500 total now since I spooned them on last weekend. I'm trying my best to try these in every scenario available to me, which so far has included highway, paved twisties (tight and sweepers, both dry and damp), gravel, rocks and mud. No chance to try in steady rain yet. Absolutely love the front tire, it has performed in an excellent manner in every situation. It thinks it's a knobby when off-road, and I'm not going to tell it differently. The rear has also done fine so far in every situation but one: Mud. This tire just sucks in mud. It continually spins and steps out to the side when starting from a dead stop in even the lightest mud, and then has trouble hooking up once underway on slippery up hills. Yesterday I turned around while descending a wet logging road, just because I wasn't sure the rear would get me back out if I went further. Even there, it took some effort to get forward motion and the rear broke traction and spun many times on the way back up (reference the muddy torn-up track in the pic below, this on a mild section near the top of the hill). And then this when going through a mushy area a little later. Took me about 15 minutes to get it unstuck from this spot, but to be fair even a full knobby would likely have been challenged here. Bottom line: Think twice about any muddy conditions with the rear Mission tire. I honestly don't think a 90/10 tire would do any worse in mud than this one.