Come PetMarking With Me: Cozy Sweaters While some dogs love playing outside in the cold, others shiver and shake when venturing outside in the wintertime. I know many short-haired, lil pups benefit from an extra layer this season so let's look for some snuggly sweaters for those pet owners who have doggies (or kitties) that are especially sensitive to the chill . . . the icy weather's not leaving anytime soon.