Since babies aren't supposed to wear winter coats in the car seat, what are we putting them in to keep them warm? Blundstone 2274 Black Winter Thermal Winter Boots Herbert's Boots and Western Wear Blundstone 584 Winter Thermal Classic Rustic Brown Boots EMPIRE Amazon.com Blundstone BL1477 Waterproof Winter Chelsea Boot Antique Brown AU 3.5 (US Women's 6.5) Medium Chelsea Amazon.com : Orzbow Baby Car Seat Cover, Universal Winter Car Seat Cover with Adjustable Collar, Waterproof Carseat Covers Baby with Zipper, Warm Coral Fleece, Detachable and Machine Washable, Black : Baby