The Takeaway: Because your li’l BFF loves Halloween as much as you Your four-legged bestie is ready for trick-or-treating with this scary cute, hoodie-style Sweater. Size S: Neck - 16.5”, Chest – 22.8”, Back Length – 11.8” Size M: Neck - 18.9”, Chest – 26.8”, Back Length – 13.4” Size L: Neck - 22”, Chest – 30.7”, Back Length – 15” Size XL: Neck - 23.6”, Chest – 33”, Back Length – 18.1” Size XXL: Neck - 25.2”, Chest – 26.2”, Back Length – 18.9”