Keeping water warm in winter

Being of the skiing persuasion, I don't often cycle in Winter. But this year skiing is off and cycling is on.
I went for a ride yesterday, quite often above the snow line, and ended up really dehydrated because my water was too cold to drink. I could only manage a gulp or two before my throat and chest started hurting.
So does anyone have any tips for keeping water warm? It doesn't need to be hot, just above 5 degrees really. I've seen insulated bidons online, does anyone know how long these are effective for?
I went for a ride yesterday, quite often above the snow line, and ended up really dehydrated because my water was too cold to drink. I could only manage a gulp or two before my throat and chest started hurting.
So does anyone have any tips for keeping water warm? It doesn't need to be hot, just above 5 degrees really. I've seen insulated bidons online, does anyone know how long these are effective for?
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Sip your water rather than gulping it.
Take a thermos flask.
Use a Camelbak which will keep your water warmer as it will be against your back.
- Dolan Tuono
I would just buy a Camelbak podium chill and try. Probably about as good a solution as you can get other than a thermos flask and not a lot of money to try.
It was -15 degrees with a -10 degree wind chill. Glad I had goggles on.
https://mycontigo.com/en/thermal