(An X means that resistance wasn't tested.) Anything above a 1 in the second digit works for sweat and raindrops anything 8 or above can handle being submerged in some capacity. The higher the number, the better the resistance. The first digit shows the level of dust protection, and the second digit references the water resistance. Sweat- and water-resistance rating: Water-resistance (and dust resistance) are covered by an IP ('ingress protection') rating, which is usually shown as the letters ‘IP’ and then two digits. We did the dirty work though and found the best headphones for working out so you can focus more on your actual exercise and less on what's going on in your ears. A lot of our favorite models can double as your everyday wireless headphones-but it's never a bad idea to have a pair that just stays in your gym bag, ready for a good session. What's left, then? Well, you need to decide what style of headphones suits you best, how much you're willing to spend, and what bells and whistles you need.