Premium Cotton: Mens sleepwear set with longer loops to enhance absorbency and performance Button-down Collar: Long sleeve pajamas for men with pocket for a classic look Sleep Bottom: Long sleepwear pants with an elastic and adjustable drawstrings waistband for an easy and relaxed fit Functional Fly: Considerate design with the solid fly opening to facilitate when nature calls Two-side Pockets: Roomy enough to hold your phone and wallet when it is necessary