I do a lot of winter fly fishing wearing Glacier gloves. If I remember to dig them out prior to hitting the water I find that tossing them up on the defroster vents for 10 or 15 minutes does a great job.
Insulating ability is based on keeping air gaps in the material warm. If you warm the air gaps up prior to putting on the gloves you don't have to rely on your hands to do all the work.
If the gloves are absolutely sopping wet just give them more time. If you remember to dry the gloves on your ride home you should be all set with a brief warm up on your ride to paddle.
You can also set them on a heat register at home if you have forced air heating in your house after you get home.
My gloves are about 20 years old and they smell awful from fish slime but they are dry and they work well when I remember to follow a couple of simple steps.
Tim Murphy AKA Goobs
EZ Launch™ Kayak & Canoe
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