Dress up your pet in a retro look this Halloween with the Retro Pumpkin Cat and Dog Sweatshirt from Hyde & EEK! Boutique. This green sweatshirt for pets features an image of a jack-o-lantern at the back to make it perfect for the Halloween celebrations. Designed with soft fabric, this cat and dog sweatshirt has a pullover style, and cutouts for head and legs for easy wear and removal. Hyde & EEK! Boutique: Thrilling delights. Curious oddities.