Our kids pajama set is crafted from our signature buttery-soft bamboo fabric. The long-sleeve top and matching pants are designed for all-night comfort, made with a breathable, seasonless fabric that keeps little ones warm in winter and cool in summer. With a timeless design and a snug, stretchy fit, they re made for all your little one s sweetest moments .Our pieces are designed with a snug fit to meet children s sleepwear standards and may run small if your child is between sizes, we recommend choosing the next size up for comfort.