Bum bag by New Balance, For those must-carry essentials, Adjustable body strap, Secure clasp fastening, Branded front, Zip closure, Interior compartment. For more than 100 years, New Balance has made it its goal to help people achieve theirs. The Boston-based brand mixes style with performance technology to create the best of fashion and function. Check out its running trainers and backpacks, or refresh your everyday staples with logo T-shirts and hoodies.