Why Scandinavians Let Their Babies Nap Outside In the Winter This January weather is seriously chilly, but that doesn't mean those nap walks and park adventures need to stop! Here's your baby winter dressing guide by temperature save this How to dress baby and toddler under sleep sack in winter and summer. Printable chart and guide for what to wear under sleep sack. Dressing Guide: How to Layer Your Baby for Winter & Cold Weather Purebaby How to dress baby for winter sleeping ergopouch US Winter is here! We know it can be confusing to know what sleepwear your baby needs as the temperature starts to drop. With this simple guide you can see what sleepwear is