Sizes S, M, L, XL, 2XL. Please calculate your size from the measurement chart below. Soft Material Mens pajama set provides a soft sense of hand. It has good air permeability to keep warm without overheating. Features Crewneck collar, long sleeve and pants，comfortable elastic waistband and leg-retracting designs. Washing Machine washable, hand wash recommended. Multiple Uses Great for sleepwear,pajamas,loungewear, all day long, exercize, yoga, sports, fitness, running, jogging, walking, workout, or for everyday at work.