Monster Octagon In-Ear Headphones, Black Patented Sport Clips and Pro Sound Isolating Ear tips provide a secure, customized fit that does not interfere with eyewear or helmets Tough, durable, UV-protected, and sweat proof for your most aggressive workout --- indoors or out Headphones with superior noise isolation and a tangle-resistant cord so you can always focus on winning Advanced in-ear speaker design delivers true monster-quality sound --- adding bass and definition to your favorite music