Running vests are designed to carry a range of items comfortably, but they aren’t limited to running. Some are designed for running a few miles from home on city streets, and others are built for all-day outings in the mountains. Bottles range in size from about 250 to 600 milliliters and are a popular form of hydration for supported races, short runs, and routes near lakes, rivers, or other bodies of water where you can replenish your supply throughout the day. The advantages over hydration reservoirs are clear: Bottles are much easier to refill and don’t require that you take off your vest to do so, and they allow you to monitor how much remaining liquid you have far better than a reservoir. Finally, most runners carry two bottles (one on each shoulder strap), which allows them to drink two different liquids—often water and an electrolyte fluid—and balance the weight. The Salomon ADV Skin's HydraPak bottle

Trey gravitates toward accessible outdoor activities like hiking, running, and cycling, with an interest in human-powered, carless travel with the occasional assistance of public transportation or a friendly hitch. The ideal running vest is not distracting while on a run. If you’re trying on running vests, add some weight to them (water, layers, etc) and run or bounce up and down to mimic running. See if you notice the running vest. If you do, it will probably distract you, or even worse, chafe while on a long run.The rear of each shoulder features a Stow-on-the-Go™ loop, which can comfortably and efficiently carry trail running poles, keeping them out of the way and your hands-free. The sternum straps are removable and adjustable, with a single hand release, as well as being elasticated so they don’t inhibit deep breaths or energetic movements. Extra features can make the difference between an OK vest and an awesome one. There are so many additional organizational features on different running vests. Here are a few we see a lot: The majority of vests come in at least two sizes, with some available in up to five for both men and women. But as is common in outdoor gear, it can be difficult to find options beyond the small-to-large spectrum. For larger body sizes, the REI Co-op Swiftland 5 is the only vest we reviewed that offers both XL/1X and 2X/3X sizing. The Nathan VaporAir 3.0 comes in a 1X to 3X option, and a few others here have XL offerings. We hope that this is a sign of things to come, and look forward to seeing more manufacturers expand their size ranges. When thinking about how much water you need, consider if you will have any opportunities to refill. If you’re running a race, how many aid stations are there? How long is the furthest distance between them? It’s not worth bringing too much more water than you need, since that will just weigh you down. However, it’s a fine line to run since water is a necessity while on the move.

What we liked: Light, vents among the best of any vest, intuitive to use, made with recycled silver for a more sustainable silver anti-odor treatment, trekking pole attachment Performance running vests can look like a lot of different things. But they are generally oriented towards all-day runs, long trail races, ultra marathons, and technical trails.

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What we like: More than double the storage of the ADV Skin 5 for ultras, long unsupported efforts, and winter running. For women, you need to not only make sure the length and torso circumference is correct, but also be sure to take bust size into account. The women’s-specific V aporAiressoffers two adjustment points for an easy fit, and our female testers were pleased with the overall fit. Organizational Features Many runners prefer one hydration method or the other, while others use both. However you choose to hydrate, you just need to make sure to bring enough water for your run. Capacity: Water & Gear The duration and intensity of your run will help determine how much water and storage capacity you need; (photo/Ilana Newman) It’s important to stand out when running on the trail or road — primarily in low-vis scenarios or after dark. During late-night dashes and early-morning jaunts along busy roads or mountain biking trails, lights and/or reflective strips are a must. If your routine frequently puts you in low-light situations, make sure you grab a running vest with ample visibility. C lip-on lights and light belts can help too.