As the temperatures change, you may be concerned about your baby's comfort during sleep. Worry not! Our 100% organic cotton long sleeve baby sleep suits are perfect for that swaddle transition when seasons begin to change. Our baby sleep suits can be layered up or down for ideal comfort for your little one. The breathable material is soft to touch and is intended to be durable for your little mover! The baby sleep suit was designed with ease in mind for those pesky middle of the night diaper changes.