Newborn to 1 year old, Outerwear, Girl This is a recommended 2-piece set for winter to spring. The swaddle (outerwear) can be used for babies born from early summer to autumn, and for their first winter and second winter. It covers the feet, and the hands can be put in or out. The items have been washed with a gentle detergent, but please be aware of any pilling on the inside of the outerwear.