Mad Engine Men's Marvel Comics Avengers Favorites Warm Lounge Pants 100% Polyester Drawstring closure OFFICIAL LICENSED - Marvel Comics Avengers Lounge Pants 100% Polyester COMFORTABLE FIT: Elastic waistband, fitted design. Side pockets. PLEASE NOTE THE FINISH: Medium Woven Sateen - is a SILKIER finish. The Small-Medium-Large and X-large - all have a FLANNEL finish. EVERYDAY WEAR - SLEEPWEAR: So soft and comfortable - These pajama pants are perfect for everyday wear, or perfect for a comfortable nights sleep. UNISEX - Both men (and women) love these pants for casual dressing, loungewear or pajama bottoms! PERFECT GIFT - For men or women and all Avengers fans!