Casual Canine K-9 Baseball Jacket Gives Any Dog A Sporty Look Dogs will stand out in the crowd when they sport this hip canine fashion. Authentic Baseball Jacket design features raglan sleeves, striped ribbed knit neck, cuffs and waistband for a comfortable fit. Royal Blue 100% polyester satin fabric outer shell is lined with soft cotton jersey for added comfort. Velcro® closure along belly keeps jacket secure. Casual Canine K-9 Baseball Jackets are available in the sizes listed below. For proper fit, measure length of pet's back from nape of neck to base of tail. Jacket fits to midriff. X-Small fits up to 8" Small fits 8"-12" Medium fits 12"-16" Large fits 26"-20" X-Large fits 20"-24"