There are several ways to keep your Labrador warm in cold weather:

1. Provide a warm, insulated dog house: Make sure the dog house is large enough for your Labrador to move around comfortably and is well-insulated to keep the cold out.
2. Use a dog sweater or coat: A sweater or coat can help to keep your Labrador warm in cold weather, especially when they are outside.
3. Keep your Labrador active: Exercise helps to keep your Labrador warm in cold weather, so try to keep them active with walks and playtime.
4. Keep your Labrador hydrated: Make sure your Labrador has access to plenty of water, as dehydration can make them more susceptible to the cold.
5. Bring your Labrador inside: If it is very cold outside, consider bringing your Labrador inside to keep them warm.
6. Use a heated dog bed: A heated dog bed can provide a warm and comfortable place for your Labrador to sleep in cold weather.
7. Check your Labrador’s paws: Cold weather can be hard on your Labrador’s paws, so make sure to check them regularly for cracks and dryness and apply a paw balm if necessary.

By following these tips, you can help to keep your Labrador warm and comfortable in cold weather.