Personalized Chiweenie Dog Retro Chihuahua Dachshund Mix Toddler Long Sleeve T-Shirt. Cute vintage style sunset design has Chiweenie dog silhouette for owners of a Dachshund and Chihuahua mix. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.