Dog owners looking to give their dogs a sporty look in a dog shirt will love the Zack & Zoey Nautical Blue Polo Dog Shirt. This shirt features a traditional looking two-button collar and ribbed knit cuffs that provide a tailored look for the dog. Five different colors of shirts are available, including nautical blue. This polo shirt features a unisex design, making it work for male and female dogs. The X-Small size of polo dog shirt fits dog breeds such as Chihuahuas and Yorkshire terriers. The nautical blue dog shirt offers a 100 percent cotton design and is available in five different sizes in total.