Size XL: 20.1”- 22.9", Neck 15.5”, Length 16”Please measure your dog and reference the size chart. Priority reference chest girth. If between 2 sizes, select larger size. Material: Extra Warm (Fleece Lining+Polyester filler for warmth) keep super warm in the the cold winter/snow. Extra soft and comfortable polyester fabric. Dog hoodie can protect dog's ear and head and avoid ears being cold in the outdoor; Features: lightweight, durable, and breathable. Exquisite sewing with leash hole in neck. Easy put on and take off with snaps, elastic edges of legs & waist