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  • Two 17 fl. oz. Quick Stow flasks are lightweight and they collapse down when empty; classic one-piece silicone bite valve offers rapid hydration on race day
  • 3D ventilated mesh offers multidirectional airflow and cushioning to maximize comfort and breathability
  • Conveniently located cellphone pocket allows quick access and includes a zipper closure for security
  • Dual adjustable sternum straps increases stability and offer a range of adjustments
  • Stretch overflow pocket lets you toss in a rain shell or stash extra gear
  • Harness storage offers organization for fuel and gear, and includes Quick Stow flask pockets
  • Reflectivity on front and back for early morning or evening runs
  • Sizes are based on chest circumference: Small = 28 - 34 in.; Medium = 32 - 40 in.; Large = 38 - 46 in.


View all CamelBak Running Hydration Vests and Backpacks

REI membership


Best Use Trail Running, Running
Frame Type Frameless
BPA Free Yes
Gear Capacity (L) 3.5 liters
Gear Capacity (cu. in.) 200 cubic inches
Reservoir Capacity (fl. oz) 34
Number of Exterior Pockets 8 + main compartment
Material(s) 70-denier nylon dobby/3D polyester mesh
Fits Chest
38 - 46 inches
32 - 40 inches
28 - 34 inches
Dimensions 13.5 x 9 x 5 inches
Weight 6 ounces
Gender Unisex
Rated 4 out of 5 by from Great vest for longer, unsupported trail runs! Very comfortable on +2 hr. trail run, I would not bother with wearing it if all I was running is a 1/2. Phone pocket may not work for your phone (does mine), but I never carry my phone anyway, so don't really care about that. It is great for a section of trail map, gels, car key. Back pocket was great for wind shell and baggie of misc. items. No issues with stuff falling out, the fabric openings remain closed when you are wearing the vest with stuff in the pocket. Overall very happy with purchase!
Date published: 2016-11-18
Rated 5 out of 5 by from Great Running Vest I've had this running vest for two months now and I absolutely love it. This bag easily holds my cell phone (iPhone 6), keys, some snacks and an extra layer. The two front water bottles are also very conveniently placed and keep me hydrated on the trail or the pavement. The material is also very comfortable (compared to running packs that I've had in the past. I highly recommend giving this pack a try just make sure that you get the right fit. It took me several tries to figure out the right size.
Date published: 2016-12-13
Rated 5 out of 5 by from Great vest for solo training This is my first running vest. 5'10", 160lbs and I initially bought medium because it fit great in the store, but bounced a little too much once full of water and snacks. Returned for a small. The mesh pockets are a little smaller, but can still fit everything I need: rain jacket, snacks, gloves, sunglasses. The material is great, no chafing after 2+ hour runs. The water bottles slump down into their pockets once you drink about half of the water, but it's not a huge issue to me.
Date published: 2016-12-18
Rated 5 out of 5 by from Great fitting vest...often forgot I was wearing it My first use was on a 35K trail run. The fit was superb...snug but comfortable. It did not bounce or shift. I am 6' 2" (but pretty thin) so I debated getting the large size but am glad I chose the medium after trying it on at the REI store. Great variety of pockets and since the vest is not bouncing around I don't expect to have gear bouncing out. My iPhone 7 with case fit easily in the zippered pocket.
Date published: 2017-01-30
Rated 5 out of 5 by from Really great vest I bought this to help train for a Marathon and for some trail runs in Colorado. Now that I've used it on some longer distance runs I can say I really love it. A good amount of water for me if I'm doing < 20 miles. Rear pocket will hold an extra layer and gloves just fine. There's no zipper but I don't see anything coming out of there while it's on your body. The cell phone pocket won't hold my iPhone 6 Plus but I'm used to running with it in my pocket anyways. I use that pocket for an energy bar and my keys and the other side for a couple Gu packets. It seems I have to tighten the vest every few miles but that doesn't bother me. The most important factor for me was that it doesn't start bothering me on long distances and at 6 ounces, it excels in hat department. I've had zero issues with chafing or discomfort of any kind. I really wouldn't change anything about this vest. A worthy purchase.
Date published: 2017-04-28
Rated 1 out of 5 by from did not for me I tried it on today, wore it around the store, liked the fit but I challenge anyone to put an actual cell phone in the cell phone pocket, also the back storage panel is not zippered so as you are bouncing along the half marathon your stuff can bounce out. I need something like this and I really wanted it to work but I need to keep searching.
Date published: 2016-11-15
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Can I use a bladder in this? If so what size?

Asked by: Carhay13
This vest does have a reservoir pocket in the back that can accommodate a 2 liter hydration reservoir.
Answered by: REIservice
Date published: 2017-06-08

1. Where on the back does this sit? Up on the shoulder blades or down more around the mid-back? (I hate a sweaty back.) 2. Any experience with how this pack fits around large breasts?

Asked by: HillSlug98239
The contact points of the vest depend greatly on the body shape of the user, but most of the weight will likely be on the shoulders. How close the lower part of the vest sits on your back can be adjusted with the sternum straps. We have not heard from users that this vest is a problem for larger chested users. As long as you are using the appropriate size and have adjusted it accordingly it will fit.
Answered by: REIservice
Date published: 2017-01-13
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