Old Navy Women's Navy Blue White Star Print Cotton Union Suit Pajamas Small Old Navy long-sleeve union suit crafted from soft 100% cotton in a classic navy blue with an all-over white star print. This cozy one-piece features a full button-down front, ribbed cuffs at the wrists and ankles, and a comfortable crew neckline. The lightweight yet warm knit fabric makes it an ideal choice for lounging or sleeping during cooler months. Designed with a slim fit and a functional button placket for easy wear.