Your pup may not be the typical sports fan but they sure will be the coolest in this casual Pet T-Shirt. Made of a stretchy cotton/poly blend, durable and maintains shape making this super comfy for your favorite puppy, and is decorated with a team logo on the back. When sizing, if in doubt size up. Stylish and casual for everyday doggie wear, machine washable. SIZING CHART: X-SMALL: Neck 10” | Chest 14” | Length 9” SMALL: Neck 12” | Chest 17” | Length 9.5” MEDIUM: Neck 14” | Chest 21” | Length 14” LARGE: Neck 16” | Chest 25” | Length 17.5” X-LARGE: Neck 18” | Chest 28” | Length 21"