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 2015 Jul 25, 2015 Tinley Park, Illinois, United States Uploaded by Dani Rae Carter
Warped Tour 2015 Jul 25, 2015 Tinley Park, Illinois, United States Uploaded by Wolfsam25
Vans Warped Tour 2015 Jul 10, 2015 Camden, New Jersey, United States Uploaded by Ashleyfrench
Warped Tour '15 Jul 5, 2015 Orlando, Florida, United States Uploaded by Lauren Kittelson