The world's best sounding sports headphones. Based on Monster's popular iSport Immersion, every purchase of iSport LIVESTRONG™ provides funding for RadioShack's $12 million commitment to the Lance Armstrong Foundation and the fight against cancer. Biking, running or snowboarding, iSport LIVESTRONG won't shake out or sweat out. It's right there with you, providing a secure, comfortable fit with its revolutionary SportClip design and rotating OmniTip. The sound-isolating eartips ensure a tight seal that blocks out water and delivers that deep, pulse-pounding bass to help you excel.