Perfect for colder nights, aden + anais winter baby sleeping bags 2.5 TOG keeps baby feeling comfy and secure when transitioning out of a swaddle and beyond. Designed to be worn over pyjamas, this baby sleeping bag eliminates the need for loose blankets in the cot for a safer sleep. Made with a 100% premium jersey cotton weave, the sleeping bag offers supremely soft winter warmth. The baby sleeping bag is intended for room temperatures between 20-22°C.