This two-piece pajama set is designed with classic shirting stripes and embroidered with our signature Pony. Crafted for comfort and longevity its made with cotton poplin specially selected for its breathability and soft hand feel that will only get better over time. Ralph Lauren partners with Better Cotton™ to improve cotton farming globally. Better Cotton trains farmers to use water efficiently care for the health of the soil and natural habitats reduce use of the most harmful chemicals and implement the principles of decent work.