Results matter and when you have the perfect headphones theres nothing standing in-between you and your workout. With their FlipHook design they adapt to an in-ear or behind-the-ear fit for added convenience. A comfortable combination of FlexSoft ear tips and TwistLock technology means these buds are guaranteed never to hurt or fall out. And if you thought a little sweat or rain was going to ruin your run think again. Thanks to IPX5 sweatproofing JBL Endurance RUN headphones keep up with your every step while an in-line microphone and remote ensures youre never reaching into your pocket to answer calls.