The Knox’s Night Night is the softest and sweetest night night in the whole wide world. Your little golfer will have the sweetest dreams. 100% Pima Cotton Knit. T.B.B.C. Night Nights are not preshrunk. Machine wash cold with like colors. Wash inside out. Gentle cycle. Lay flat to dry and tumble dry low. The Knox’s Night Night feature a zip closure with a button tab at the top and a faux drop seat for added cuteness.