Don't go to sleep without wearing these Doctor Who Tardis Pajama Pants. They are stylish and comfy. In addition to "Don't Blink," The Doctor also meant to say "Don't Shrink" when you shrink a weeping angel. If the Doctor wore pajamas, these would be the ones he would choose. 100% Cotton. Unisex Sizing. Waist S - 32, M -34, L - 36, XL - 39