I'm A Survivor: Your Summer Music Festival Survival Kit

Stranded. On Randall's Island at Governor's Ball or in the middle of New Jersey at Hot 97 Summer Jam, your iPhone's "Less than 5% Remaining" notification could be a major 911. A Mophie pack equals a crisis averted. Constantly charging your iPhone, you can focus on the music and not spend a moment questioning whether to call over your best friend or check in with your mother... Mophie Juice Pack, $79.95