How to Choose a Running Hydration Vest

An updated take on the pinnacle trail-running vest from On, this Ultra Pro version improves the fit. It's built for distance with 2 flasks, a removable dry pack, and front-and-back pocket storage.
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Imported.
View all On Running Hydration VestsBest Use | Trail Running |
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Gear Capacity (L) | 5 liters |
Gear Capacity (cu. in.) | 305 cubic inches |
Reservoir Compatible | Yes |
Bottle(s) Included | 2 bottles |
Liquid Capacity (L) | 1 liters |
Liquid Capacity (fl. oz.) | 16 fluid ounces |
Number of Exterior Pockets | 7 + main compartment |
Weight | 10.58 ounces |
Material(s) | Front: 100% recycled polyester; back panel: 85% recycled polyamide/15% elastane; pocketing: 85% recycled polyamide/15% elastane 15%; bag: 100% recycled polyamide |
Fits Chest | XS: 33.5-35 inches S: 35.5-37.5 inches M: 38-40 inches L: 40-42.5 inches XL: 43-45.5 inches |
BPA Free | Yes |
Dimensions | 15 x 13 x 0.5 inches |
Gender | Unisex |
Sustainability | Contains recycled materials |