However, not all sleep sacks can keep baby cool in warm weather and warm in cool weather! (blog.guguguru.com)
The mesh cooling vents help keep baby cool and comfortable and the hood gives baby protection from the elements. (healthybabyhappyearth.com)
It is ideal for year - round wear, helping to regulate the body's temperature and keeping your baby cool during summer and warm during winter. (littlespruceorganics.com)