M- Neck girth: 13 inches, chest girth: 22 inches, back length: 16 inches Material: 65% polyester, 35% cotton, soft and comfortable, machine washable Back has a hole, leash can through it, convenient for going out to walking Classics plaid pattern, kangaroo pocket, makes your pet cooler and cuter.NOTICE:Our Pattern has been Patented Keep warm in cold weather, thicker than most of the hoodies, firm handfeel