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Item # CAM004F

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Item # CAM004F

Ultra Vest for ultra versatility.

The Ultra 4 Hydration Vest is CamelBak's most versatile vest for running roads, trails, and anything you set your feet on really.  This vest has the capacity for longer runs, including space for water bottles, layers, gloves, keys, hat, phone, and nutrition. The cargo compartment expands so you can fit more items than this list. CamelBak included a 2L Antidote reservoir with an easy-to-open Quick Link system, HydroGuard antimicrobial technology, Big Bite Valve, and PureFlow tube. The Ultra 4 Hydration Vest has external fill capability that allows you to refill while running. CamelBak made this vest with reverse chain nylon for durability, padded mesh for breathable comfort, and open mesh at the shoulders to ensure proper ventilated airflow throughout all your marathons.

  • Adjustable mesh harness with two sternum straps
  • Integrated reservoir with 2L Antidote
  • Harness cargo pockets
  • Sweat-proof phone pocket
  • Trekking pole attachment
  • Reflectivity

Tech Specs

70D reverse chain nylon, 230D mesh taffeta
244 cu in
padded mesh
Shoulder Straps:
Hydration Compatible:
Reservoir Included:
yes, 2L Antidote
front panel
2 harness cargo, 1 sweat-proof phone
21 x 13 x 2 in, [chest] 30 - 46 in
Claimed Weight:
13 oz
Recommended Use:
running, trail running
Manufacturer Warranty:

Reviews & Community


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Pack perfection

  • Familiarity: I've put it through the wringer

I love this pack. I use it more than any other hydration/pack system. It's the perfect size for an all day adventure or long endurance race. I've ran 100 miles, moutain biked 15 hrs & competed in a multi sport adventure race using it. It's large enough to hold extra clothes & enough food & water for a long day in the mountains. I love the front pockets. There's a zippered one as well as two drawstring pockets in front, great accessibility. It's very easy to adjust the length & tightness of the pack, making it feel like it has a custom fit to each person's body. I've never had issues with chaffing or feeling uncomfortable in it. Durable materials take a beating also. I got a little creative and customized mine. highly recommended.

Pack perfection

Is this a same product with this linked one?