With an award winning Woolino 4-Season Ultimate baby sleep bag, your baby will always be at the perfect temperature, year-round. Intelligently designed, our sleep bag has double shoulder snaps for easy dressing, and under arm snaps to adjust the fit for smaller babies. A two-way zipper allows for easy diaper changes, while our seat-belt slot makes transferring your child to the car seat, stroller or crib exceptionally easy. The 100% natural organic cotton shell and merino wool liner will regulate your baby’s temperature year-round. Our universal sizing provides an excellent value, making Woolino the only sleep bag your child will need until they turn two years old. Using a Woolino 4-Season sleep bag means there’s no need to worry about whether your baby will be too hot or cold while sleeping – they’ll always be just right!