Camping sleeping bags for dogs are quite common. Here’s one from Amazon.
KZ Dotnz Waterproof Warm Dog Sleeping Bag with Comperssion Bag, Camping Portable Pet Sleeping Bed/Cave for Indoor Outdoor Warm Camping Hiking Backpacking
Sleeping bag for dogs sounded like a excessive novelty to me at first but after a hiking trip in the autumn where my dog Luna started to shiver in the night ...
Cool. You can also make a dog sleeping bag from your old, unused one.
Camping sleeping bags for dogs are quite common. Here’s one from Amazon.
Your pet also needs to be warm and comfortable, especially when they follow you into the cold when you are camping.
Someone is trying to get funding for this on Kickstarter