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Read the Review
Read the Review
Read the Review
Read the Review
Awards  Editors' Choice Award Top Pick Award Best Buy Award  
Price $165 List$129.95 at Amazon
Compare at 3 sellers
$129.95 at Backcountry
Compare at 2 sellers
$69.95 at REI$89.95 at REI
Overall Score Sort Icon
55
75
73
72
70
Star Rating
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Pros Well-insulated hydration system, quality construction, comfortableBreathability, excellent storage, comfort and supportExcellent storage and organization, breathable back panel, adjustable hip beltBig volume, lightweight, great priceComfortable, inexpensive, large storage volume
Cons Expensive, heavy, limited storageExpensive, thin hip beltHeavy, expensiveFewer pockets, average hydration performanceHeavy, small water capacity
Bottom Line A solid offering with the luxury of an insulated bladder, but with limited storage and a heavier weightThis model scores well in every rating metric and is our favorite overall hydration packThis pack has all the bells and whistles to carry all your gear comfortablyTons of storage, modest weight, and simple, functional designA large, comfortable hydration pack with a reasonable price
Rating Categories Hydro Flask Journey Series 1... Osprey Syncro 12 Gregory Endo 15L Gregory Nano 18 H2O REI Co-op Trail Hydro 20L
Ease Of Drinking (20%)
6
8
7
7
5
Ease Of Filling (20%)
4
9
7
8
8
Comfort (20%)
9
7
8
7
7
Storage (20%)
4
8
10
8
9
Weight (10%)
1
4
4
7
4
Ease Of Cleaning (10%)
8
7
5
5
8
Specs Hydro Flask... Osprey Syncro 12 Gregory Endo 15L Gregory Nano 18 H2O REI Co-op Trail...
Pack Size 10L 12L 15L 18L 20L
Bladder Capacity 3L 2.5L 3L 3L 2L
Weight (measured) 49.0 oz (size M/L) 34.0 oz 37.9 oz 25.5 oz 34.6 oz
Weight (claimed) 48 oz 27.5 oz 32 oz 18.4 oz 28 oz
Waist Belt Padded 3/4" webbing Padded with two zippered pockets Removable 3/4" webbing Removable 3/4" webbing
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