This summer lightweight sleep sack gives baby cloud like softness and offers baby a cozy skin friendly wearing experience. The fabric provides a comfortable wrapping sensation ideal for baby delicate skin and it is easy to care for and machine washable. This thin sleep sack features a light warmth rating and sleeveless design offering moderate warmth ideal for spring summer or air conditioned rooms and the lightweight fabric delivers peaceful naps and all night comfort for baby. Our baby sleep sack is equipped with a two way zipper that allows quick diaper changes without fully unzipping it helping your baby to stay asleep and we have added a protective cover to the top of the baby sleeping bag to protect baby delicate skin from scratches. This baby sleeping bag is designed with extra leg room allowing babies to kick roll and stretch comfortably and the relaxed sleep sack gives baby enough space to move around promoting healthy hip development.