100% Cotton long leg mens flannel pajama pants, sleep pants, lounge pants. Strong warm and cozy fabric with a full wide cut for easy movement and maximum sleeping comfort. Comfortable covered elastic waistband with adjustable drawstring and a single-button fly, designed for your sleeping comfort. Two side hand pockets. Lounge pants is special designed for a cozy relaxed roomy fit to ensure maximum comfort while sleeping. Big variety of pretty PJ's designs for a better classical look. For matching pajama set and robe search Amazon for "Robes King Pajamas"