Breathable, stretchy, lightweight, and buttery soft, the Päpook® viscose from bamboo long sleeve pajamas are a must-have for all children. Moisture-wicking bamboo is excellent for children who may overheat at night. A favorite amongst all ages, pajamas so cute they aren't just for sleeping. Mix and match with your favorite apparel from Posh Peanut®. All of the 2-piece pajama sets comply with snug fitting standards for apparel not treated with any chemicals. Pajamas should be worn tight-fitting.