i'm using the copper ones because they fit my hands the best--i just went to walgreens and tried a few pairs on to find the most comfortable one. there's also the arthritis compression gloves that come with a little warm glove to wear over the top if you have cold hand issues. i think i saw a hemp one at walgreens too? i think the most important thing is making sure the fit of the glove is good tbh.
another weird thing i noted today after i bent my pointer backwards and had to splint it--the wire splints i have can be twisted so that they stabilize that knuckle joint against my palm. i haven't got "proper" ring splints but twisted some aluminum wire around a marker cap and adjusted to fit my fingers. using wire or getting a ring splint that's meant for the MCP joint would be a thinner way to splint it but i also just googled it and it looks like amazon has some options for the knuckle: https://www.amazon.com/Vive-Trigger-Finger-Splint-Straightening/dp/B01N2RDSGR/
just remember to take as many breaks while drawing as you can, i'm like this because i didn't take breaks. i'm finally improving now and have a good physical therapist lined up next week but if you're able, take breaks.