RK Classical Sleepwear Men&rsquo;s 100% Cotton Flannel Pajama Set, 100% Cotton Imported Two-piece sleep set, long sleeve and long leg mens flannel pajama set Warm soft flannel fabric with a full wide cut for easy movement and maximum sleeping comfort Comfortable covered elastic waistband with adjustable buttons designed for your sleeping comfort Button front closure plus a button to close the collar Big variety of pretty PJs designs for a better classical look