Christmas Dog Clothes. Dogs love Christmas too! Big or small. Help them celebrate by finding them the perfect collection of dog Christmas clothes. BigDog-Boutique has a large variety of Christmas clothes for dogs. Choose from dresses, shirts, hats, sweaters and customized holiday dog clothes. If you happen to have a dog that gets cold during the night, make sure that you check out our Christmas pajamas for dogs. Not only will your dog look great during the holidays with dog holiday clothes, they can enjoy them for years. The Pet Boutique has clothes that are durable and made from high quality materials. We know that dogs like to play and have fun, which is why we design clothes for them that move with them. Search through our collection of Christmas dog clothes to find the best outfits for your dog’s next big holiday season. Orders Placed after Dec 15th cannot be guaranteed to be delivered in time for Christmas.