The best training partner is one that keeps pace with your hard-driving workout, motivates you and, ideally, helps you forget how out-of-shape you really are. We’re talking about music here, and good tunes require great-sounding headphones that can hang on through a serious sweat and survive routine punishment. Plenty of companies make rugged, water-resistant, sweatproof headphones that sound like crap, and even more make rich-sounding, high-fidelity models that don’t stand up to exercise. We sampled the sonic spectrum, putting dozens of headphones through their paces on long runs, bike rides and bodyweight exercises to find ten that sound great and keep pace.
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