winter is coming

keeping your core warmer, hat, thermals, wool socks, good coat - should help keep your finger from getting numb even if you're not wearing gloves.

I am not familiar with your condition. Have you tried disposable hand warmers inside your gloves on the back of you hands and or on your wrists?

We did it by moving from near the Canadian border to SW Utah.

Short answer on my phone - I have Raynaud's myself and hunt in Northeast US winters.

Keep your core, feet, and your head warm.

Swinging your arms like windmills gets blood back into the fingers. Sounds (and looks) silly, but damn if doesn't work.

I wear a pair of thin liner gloves underneath wool. For hunting, to feel the trigger, I have pairs of those fingerless gloves with flip over mittens. In fact, this exact pair. Yes they are cheap, and they are good.
https://www.amazon.com/gp/aw/d/B0057XA2KS/ref=ppx_yo_mob_b_inactive_ship_o0_img?ie=UTF8&psc=1
Put those shakeable hand warmers inside the mitten flap. And get one of those rechargeable, pocket heaters from zippo as a backup.
Make sure that liner glove that is your hand "base layer" is windproof.

Never heard of the syndrome, but as a man who spent thirty years working aloft on telephone poles, hands and feet were never warm in cold weather, I can sympathize I solved the problem by moving to Florida for the winters after retiring in “97”

You have my sympathy. It is a challenge for me as I have hypothyroid and arthritis. But it is not as bad as what you have.

Having spent several years doing military training in New England and Alaska, keeping your hands warm when shooting is a chore. Even without a vascular illness. As such I never had less than half a dozen pair of various gloves, all of which still allowed me to manipulate a trigger. The warmest gloves I ever used were multi layer gloves where you could take off an outer glove to shoot, then put the glove back on to warm your hands. I still have a pair of Wearguard 7903s. The outer glove is plenty large enough to line with hand warmers.
By the time I was transferring south better gloves made by Outdoor Research were starting to get issued out. They are worth looking at as well.
https://www.us-elitegear.com/collections/outdoor-research/glove_mitt
https://www.outdoorresearch.com/us/mens?or_product_type=112

my wife has bad hypothyroid so she always cold, she doesnt shoot no more but when she did she put hand warmers in her gloves and that seemed to at least help some. im a wisconsin boy so no temp is too cold for me, truly haha.

Better to put the shotgun up for the Winter than to become:

"A Florida man...."

Fortunately, living in east Tennessee, the winters are not too bad. While we get some cold days and even some snow here and there (see weather reports of 11/12/19, we got an inch of snow overnight), if one dresses es accordingly one can shoot.

But, I will admit, as I age, I am less tolerant of the cold. Sometimes Tennessee is too cold to shoot and it is above freezing.

Our skeet club starts its winter league just after the New Years on Sunday afternoons. It should be fun.

The club I go to has a heated trailer to shoot 5 stand out of. I've never done it, but looking forward to trying it this winter!

A few days ago, I googled heated vests.
Amazon has several styles and materials and prices.
I have been looking for one myself.

DocRock said:

Better to put the shotgun up for the Winter than to become:

"A Florida man...."

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And a “snow bird” to boot. I’ll still be chuckling on the firing line in January in 70 degree weather. Then I’ll come home and take a dip in the solar heated pool.

In my Bermuda shorts I might add.

whughett said:

And a “snow bird” to boot.

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Having been in Florida in the summer, you can keep it thank you very much.

Cvans said:

Having been in Florida in the summer, you can keep it thank you very much.

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Yea, I've done time on the Gulf Coast (4 years in New Orleans). They have two seasons down there, hot and wet. Fortunately, I belonged to an indoor, air conditioned pistol range while I was in New Orleans.

Cvans said:

Having been in Florida in the summer, you can keep it thank you very much.

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Yep, hot and humid, which is why we spend summers and fall in Rhode Island. Snowbird is a term locals apply to Northern Folk who move back and forth, which is probably half of Charlotte County.

I sympathize with you. Chronic pain and swelling of my knuckles and middle three fingers, left mainly, from severe osteoarthritis. Some days I can't close my hand. Wearing a glove ala Michael Jackson when temp is below 45. Luckily, I'm right handed and can hold the gun up with my left. If you find a solution, I'm all ears.