Women's short pajama set is made of 65% Polyester+30%Viscose+5%Elastane, the fabric is comfortable and breathable, comfortable to wear as pajamas/loungewear, super soft and skin-friendly for lounging or sleeping. ELASTIC WAIST: The pajama shorts set features a stretchy elastic waistband to ensure that the shorts are both secure and comfortable. The short pajama set with V-neck top and matching pajama shorts is cool and comfortable. The short pajama set is perfect for pajamas, pajama pants, boudoir, vacation wear and loungewear. Its casual style makes it unobtrusive when guests visit.