In reply to dsh:
I've struggled to find the right solution here too.
Various problems I have with my owned gloves and those I've chosen not to buy:
1. Sweat, I haven't found a good solution for this except keep working hard so the sweat is warm, and change gloves for the ski down
2. Cold, wet gloves after digging in the snow - particularly when boot packing a steep hill and using my hands a lot, or on rock.
3. Bad fit - I clearly have odd hands. My fingers are too short, so if I get a glove with short enough fingers it's super tight round the wrist and palm, or comfy around the wrist but too long fingers.
4. Dexterity, tricky to use for fidgity stuff, like ropes, harnesses, zippers, goggle adjustments.
5. Grip - not always so grippy, so metal poles can slide around (e.g. holding a ski pole lower down or holding my ice axe)
6. Putting the gloves on after taking them off, e.g. to use my phone, when my hands are sweaty, it can be very difficult to put the gloves on. A phone friendly finger tip is very useful, as I use my phone a lot when navigating, especially the slope gradient map.
7. Cold hands, usually they warm up, sometimes I have to put my hands in my armpits or down my pants for a while...
8. Wear. Most of my gloves are covered in holes and patches, and because I haven't found any good ones, even when new, I just keep using my crappy ones.
Gloves I've tried are:
dynafit skimo gloves with the windproof overglove. I find these too tight and fidgity, but ok when racing as I don't take them off.
cross country gloves, various types - I find these aren't snow proof at all and get soaked easily and don't have great grip
cycling gloves, ok but a bit stiff
Wool liner glove - no grip and they just fall apart
The best glove I've found is to have insulated overmittens with a flap to free the fingers in my backpack, to wear over the top if it's too cold, or even just wear them and no under glove works quite well
In summary the best thing to do is to go fast enough up that your body generates enough heat to keep your soggy hands warm, and then put on big warm gloves for the ski down. I have tried some nice looking gloves from Ski Trab, Hestra, and Tegra work gloves but they didn't fit my hands well.
Good luck finding something that works for you.