ARIAT Aztec Pup Puffer Dog Jacket Size Large Southwestern Multicolor Rodeo Ranch. I have included the Ariat dog size charts to ensure the proper size for your dog. Please see photos! FEATURES * AriatTEK® is designed for optimal comfort in any weather * Wind and water resistant construction with a breathable design * Color block detailing * Ariat® branding * Stand collar * Adjustable hook and loop closure * Finished back opening for leash or harness access