With the top and bottom made from flame resistant, 100% Polyester, this 2-piece set of Batman uniform pajamas is available in toddler and juvenile sizes, featuring illustrated, almost spray-painted musculature and an illustrated utility belt adorning the torso.  Of course, you can't simulate the Batman costume properly without the ubiquitous Bat Symbol....or a cape.  Gotta' have the cape.  This particular cape is removable, fastened with one of the greatest scientific discoveries of the 1980's:  Velcro!  Huzzah!  Your wee Bat fan will absolutely love you for this. It's almost guaranteed:  The purchasing and presentation of a Batman pajama costume set has, in almost every controlled occurrence, increased a child's love for "Subject: Parent" by a factor of 10,000.