Try these Vince, I bought a pair a while back. I really like them. Nice and warm but you still have the dexterity to tie up your leaders.
Seal Skinz Gloves

Good luck with your frozen digits....
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"How come my dog don't bark when you come around?" - The Legendary Dr. John
"Learn To Swim, See You Down in Arizona Bay" - TOOL, Ænima, (I hate Kalifornia)