Pima cotton long sleeved pajama top and pant set. Pants have an elastic waistband and the long sleeved top has a placket featuring 3 functional buttons. Made from 100% Peruvian Cotton. Refreshed Updated Color. Our pajamas are designed with care and in compliance with CPSC safety standards. They are free from flame-retardant chemicals and are not flame resistant, so they are made to fit snugly.