Crafted from a luxurious blend of 92% viscose from bamboo and 8% spandex, this sleep bag offers the perfect balance of softness and stretch. Bamboo viscose is naturally breathable, temperature-regulating, and gentle on delicate skin, making it ideal for restful nights. The added spandex ensures a comfortable, flexible fit that moves with your little one. Hypoallergenic and silky smooth, this fabric creates a cozy cocoon for peaceful sleep.