How to Choose a Running Hydration Vest

With lots of pockets and hydration vest-style straps, this 18-liter Janji hydration pack adapts to life on the run. You'll be ready for long trail days, city commutes and everything in between.
Imported.
View all Janji Running Hydration VestsBest Use | Running Trail Running |
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Frame Type | Frameless |
Gear Capacity (L) | 18 liters |
Gear Capacity (cu. in.) | 1,098 cubic inches |
Reservoir Compatible | Yes |
Reservoir Included | No |
Bottle(s) Included | 2 bottles |
Liquid Capacity (L) | 1 liter |
Liquid Capacity (fl. oz.) | 33.8 fluid ounces |
Weight | 1 lb. 7.6 oz. |
Fits Torso Length (in.) | XS/S: 14-17 inches S/M: 16-20 inches M/L: 19-21 inches |
Fits Waist/Hips | XS/S: 32-38 inches S/M: 38-44 inches M/L: 41-47 inches |
Material(s) | Polyester ripstop with TPU fill/polyester mesh/EVA foam/nylon webbing |
Pack Access | Top / Side |
Number of Exterior Pockets | 8 + main compartment |
Hipbelt | Yes |
Raincover Included | No |
Dimensions | 18 x 11 x 5.75 inches |
Gender | Unisex |
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I’ve been using the Janji Revy Hydration Pack for run commuting, and I absolutely adore it! To me, what stands out the most is how incredibly comfortable and stable it feels. Once it’s on, the pack hugs the body and doesn’t bounce or shift, even when I’m carrying heavier items like my laptop or a packed lunch. The straps distribute weight evenly, and there’s no rubbing or pressure points, which makes longer commutes much more manageable. On top of the comfort, the pocket layout is excellent. There are plenty of well-placed compartments for organizing essentials—phone, keys, a change of clothes, additional tech—all easy to reach without fumbling around. Everything stays secure and in place. For run commuting, this pack absolutely nails the balance of stability, comfort, and utility. It feels almost invisible while running, yet it carries exactly what I need, right where I need it.
I’ve been using the Janji Revy Hydration Pack for run commuting, and I absolutely adore it! To me, what stands out the most is how incredibly comfortable and stable it feels. Once it’s on, the pack hugs the body and doesn’t bounce or shift, even when I’m carrying heavier items like my laptop or a packed lunch. The straps distribute weight evenly, and there’s no rubbing or pressure points, which makes my commute much more manageable. On top of the comfort, the pocket layout is excellent. There are plenty of well-placed compartments for organizing essentials—phone, keys, a change of clothes, additional tech—all easy to reach without fumbling around. Everything stays secure and in place. This pack absolutely nails the balance of stability, comfort, and utility. It feels almost invisible while running, yet it carries exactly what I need, right where I need it. I highly recommend this product!