We have this gorgeous universal-fitting carseat footmuff /cover from the Spanish COMPANY.
the cover fits snugly around the car seat and is elasticated so fits nice and snugly. the front apron can be unzipped if baby gets too hot whilst in the car.
made from supersoft velour fleece material. the apron outer is leatherette with velour fleece quilted backing to keep baby snug and cozy.
no need for thick coats or blankets. just easy, secure comfort.