Why Superman's Black Suit Is So Important For The DC Hero | Cinemablend
Will Superman Wear the Black Recovery Suit in “Justice League”? - Superman Homepage
IGN - Superman's iconic Black Suit is also known as his Recovery Suit. It can recharge Clark's solar powers when they have been weakened. This suit will be featured in Zack Snyder's
Superman's Beard Isn't Just Badass, It's Also Canon
Superman's Rest and Recovery by ekortal on DeviantArt
DC Comics Superman Black Suit Justice League Recovery Suit Clark Kent DC Jumpsuit (Cloak Included) - Costumeslive.com