There are (at least) two bands using this name:
These are photos from concerts where Black Boots played, so they may be of other bands that played the concert as well.
Warped Tour '15 Jul 5, 2015 Orlando, Florida, United States Uploaded by Lauren Kittelson
Van's Warped Tour 2015 Jun 24, 2015 Albuquerque, New Mexico, United States Uploaded by Julie Raven