Perfect as your pooch's Santa Xmas gift.Classic dog sweater cold winter clothes warm and cozy for your dogs.Made of 100% acrylic.XS Size: back length 10", neck girth 12", chest girth 12- 14";S Size: back length 12", neck girth 12", chest girth 14- 16";M Size: back length 13", neck girth 13", chest girth 16- 18";L Size: back length 16", neck girth 16", chest girth 18- 20";XL Size: back length 20", neck girth 20", chest girth 22- 26".