This three-season sleeping bags for babies and toddlers are almost use throughout the year. They are ideal in the spring, cooler nights in the summer and in the autumn. It is very hot in summer use only a bedsheet, pajamas or a d unne summer sleeping bag . In the Netherlands the summer often but briefly it's also really warm at night. So you do not always enough for a summer sleeping bag. This sleeping bag is your baby too warm through the colder nights and it can also come out of the spring - are used fall. Is it really cold in the nursery in the winter then choose a winter sleeping bag .