Show off your dog's job as therapeutic support with the Therapy Dog Shirt. Perfect as a more casual outfit for hospital or other institutions where your dog visits, this comfy shirt helps get your pup noticed and keeps shedding down. This dog tank top also features a high-cut, stay-dry belly for the ultimate comfort and convenience. Machine wash cold inside out and tumble dry low for best results. X-Small Back Length: 7.5" Chest: 12" (Most Important) Neck: 8" Small Back Length: 9" Chest: 14" (Most Important) Neck: 9" Medium Back Length: 11" Chest: 16" (Most Important) Neck: 11" Large Back Length: 14.5" Chest: 18" (Most Important) Neck: 14" X-Large Back Length: 20" Chest: 24" (Most Important) Neck: 16" 2X-Large Back Length: 23" Chest: 32" (Most Important) Neck: 20" 3X-Large Back Length: 27" Chest: 38" (Most Important) Neck: 23"