Whether you use your phone to track your performance, or just to listen to some tunes as you melt the day’s stress away, there’s an easy, hassle-free way to carry your mobile device on your next run. It’s called the Nike+ Forearm Sleeve.

Made with a sweat-wicking stretch fabric, the sleeve features a transparent pocket designed to hold an iPhone 4, 4S, 3GS, and iPod touch, though, it’s compatible with really any phone of similar size. The interior pocket is water-resistant, so it can be used in the rain. The sleeve features a flat-seam construction to reduce potential chafing, along with reflective features at the cuff for use in low-light conditions. More than just a storage solution, the sleeve also helps keep headphone cords out of the way—something all runners can appreciate.

$30

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