What are some popular brands for hydration reservoirs at REI?

The top brands for hydration reservoirs include: CamelBak Osprey Gregory Platypus HydraPak Browse our selection of top outdoor gear and apparel brands.

Which types of hydration reservoirs should I consider?

The top types of hydration reservoirs at REI Co-op include: Reservoirs Reservoir Accessories Reservoir Cleaners Whether you're new to the outdoors or a seasoned pro, check out our wide selection of quality outdoor gear and apparel for your next adventure.

How can I earn a Co-op Member Reward on my hydration reservoirs purchase?

REI Co-op Members get 10% back annually on every eligible purchase, including most full-priced hydration reservoirs. (10% is typical but not guaranteed.) To earn or redeem rewards, buy a one-time $30 lifetime membership, or sign in as a member. See details about the Co-op Member Reward .

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Hydration Reservoirs

(46 products)

Products (46)

Sort: Best Match

Gregory3D Hydro Hydration Reservoir - 3 Liters
$52.95
331 reviews with an average rating of 4.4 out of 5 stars
Liquid Capacity:
101.4 fl. oz.
Weight:
7 ounces
Dimensions:
17.25 x 7 x 3 in.
OspreyHydraulics Reservoir - 2 Liters
$50.00
64 reviews with an average rating of 4.4 out of 5 stars
Liquid Capacity:
67.6 fl. oz.
Weight:
7.4 ounces
Dimensions:
15.4 x 6.9 x 0.4 in.
Top Rated
HydraPakHydraSleeve Reservoir - 3 Liters
$70.00
38 reviews with an average rating of 4.7 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
10.8 ounces
Dimensions:
18.5 x 9.6 in.
OspreyHydraulics Reservoir - 3 Liters
$52.00
108 reviews with an average rating of 3.4 out of 5 stars
Liquid Capacity:
101.4 fl. oz.
Weight:
8.3 ounces
Dimensions:
17 x 7.7 x 0.4 in.
Sale Ends Apr 5
Gregory3D Hydro Trek Hydration Reservoir - Closeout - 3 Liters
$18.73
Save 60%
compared to $47.95
21 reviews with an average rating of 3.5 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
7 ounces
Dimensions:
12 x 9 x 3 in.
REI OUTLET
Gregory3D Hydro Hydration Reservoir - 2 Liters
$49.95
241 reviews with an average rating of 4.5 out of 5 stars
Liquid Capacity:
67.6 fl. oz.
Weight:
6.5 ounces
Dimensions:
14.5 x 7 x 3 in.
HydraPakVelocity 1.5 L Hydration Reservoir
$38.00
2 reviews with an average rating of 5.0 out of 5 stars
Liquid Capacity:
50 fl. oz.
Weight:
4.4 ounces
Dimensions:
12.6 x 6 in.
OspreyHydraulics LT Reservoir - 1.5 Liters
$42.00
53 reviews with an average rating of 4.2 out of 5 stars
Liquid Capacity:
50.7 fl. oz.
Weight:
5.4 ounces
Dimensions:
13.4 x 7.7 x 0.4 in.
OspreyHydraulics LT Reservoir - 2.5 Liters
$44.00
65 reviews with an average rating of 3.9 out of 5 stars
Liquid Capacity:
84.5 fl. oz.
Weight:
5.9 ounces
Dimensions:
16.3 x 7.7 x 0.4 in.
CamelBakCrux 3L Reservoir - 3 Liters
$42.00
288 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
8 ounces
CamelBakCrux 2L Reservoir - 2 Liters
$40.00
290 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
70 fl. oz.
Weight:
7 ounces
CamelBakCrux 1.5L Reservoir - 1.5 Liters
$36.00
117 reviews with an average rating of 4.0 out of 5 stars
Liquid Capacity:
50 fl. oz.
Weight:
7 ounces
GregoryHydro Hydration Reservoir - 2 Liters
$34.95
50 reviews with an average rating of 4.1 out of 5 stars
Liquid Capacity:
67.6 fl. oz.
Weight:
9.4 ounces
Dimensions:
14.25 x 8 x 1.5 in.
Top Rated
Bottle BrightCleaning Tablets - Multipack
$10.00 - $38.00
386 reviews with an average rating of 4.8 out of 5 stars
GregoryHydro 3 L Reservoir - 3 Liters
$39.95
0 reviews
Liquid Capacity:
100 fl. oz.
Weight:
6.45 ounces
Dimensions:
17.5 x 8.46 x 1.38 in.
PlatypusBig Zip EVO Reservoir - 3 Liters
$59.95
118 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
6.5 ounces
Dimensions:
21 x 9.5 x 1.25 in.
Top Rated
CamelBakReservoir Cleaning Kit
$24.00
66 reviews with an average rating of 4.5 out of 5 stars
OspreyHydraulics Bite Valve
$9.00
65 reviews with an average rating of 3.4 out of 5 stars
CamelBakFusion 3 L Reservoir
$66.00
31 reviews with an average rating of 3.3 out of 5 stars
Liquid Capacity:
101 fl. oz.
Weight:
5.5 ounces
Dimensions:
18.3 x 10 x 1 in.
Gregory3D Hydro Trek Hydration Reservoir - 3 Liters
$62.95
24 reviews with an average rating of 4.2 out of 5 stars
Liquid Capacity:
101.4 fl. oz.
Weight:
13 ounces
Dimensions:
12.4 x 9.44 x 3.15 in.
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Top Rated
OspreyHydraulics Hose Magnet Kit
$10.00
25 reviews with an average rating of 4.6 out of 5 stars
PlatypusBig Zip EVO Reservoir - 2 Liters
$54.95
104 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
70 fl. oz.
Weight:
6 ounces
Dimensions:
19 x 9.25 x 1.25 in.
Top Rated
GregoryBite Valve Cover
$7.95
86 reviews with an average rating of 4.6 out of 5 stars
EVOCHip Pack Hydration Bladder 1.5 L
$50.00
0 reviews
Liquid Capacity:
51 fl. oz.
Weight:
4.2 ounces
Dimensions:
10.24 x 8.27 x 0.39 in.
CamelBakFusion 2 L Reservoir
$60.00
20 reviews with an average rating of 4.0 out of 5 stars
Liquid Capacity:
68 fl. oz.
Weight:
5 ounces
Dimensions:
13.7 x 11.7 in.
Top Rated
Bottle BrightGear Cleaning Tablets - Multipack
$12.00 - $24.00
12 reviews with an average rating of 4.8 out of 5 stars
CamelBakCrux Insulated Tube
$22.00
29 reviews with an average rating of 3.9 out of 5 stars
OspreyHydraulics Bite Valve Sheath - Package of 3
$12.00
22 reviews with an average rating of 3.4 out of 5 stars
DAKINELumbar Reservoir 2.0 - 3 Liters
$78.00
0 reviews
Liquid Capacity:
100 fl. oz.
Weight:
2 lbs.
Dimensions:
12.6 x 10.2 x 2.4 in.
OspreyHydraulics Bite Valve Cover
$7.00
45 reviews with an average rating of 3.1 out of 5 stars