Leave the audiophile headphones at home and take these sporty Sennheiser MX75 earbuds for a jog. Sweat-resistant, hardy and anatomically snug - thanks to a twist-lock-fit system. $49.99
Sennheiser made these earbuds specifically for the active ones out there. They are sweat resistant and fit perfectly into your ear via anatomical design. And they're green. Which is always better.