H2O Audio has unveiled its new Trax Custom Fit Sport Headphones. Designed to withstand rain, sweat, and rinsing off, Trax are 100% waterproof, and feature an ergonomically angled ear bud and a moldable memory wire ear hook for a secure fit, five included ear plug options, and an included storage pouch large enough to hold most iPods. H2O Audio’s Trax Custom Fit Sport Headphones are available now in green or black and sell for $40.