Lined with luxuriously soft and natural 100% merino wool jersey, our cozy sleep sack is designed to create a microclimate around your baby that helps maintain a consistent temperature for peaceful slumbers. With a TOG rating of 1, this breathable, hypoallergenic fabric is suitable for year-round use and ideal for most indoor temperatures (68- 74°F). • Composition Inner - 100% merino wool jersey, Outer - 70% cotton, 30% linen
