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 .

loaded 45 results

Hydration Reservoirs

(45 products)

Products (45)

Sort: Best Match

Gregory3D Hydro Hydration Reservoir - 3 Liters
$52.95
334 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 - 3 Liters
$52.00
115 reviews with an average rating of 3.5 out of 5 stars
Liquid Capacity:
101.4 fl. oz.
Weight:
8.3 ounces
Dimensions:
17 x 7.7 x 0.4 in.
Top Rated
HydraPakHydraSleeve Reservoir - 3 Liters
$70.00
39 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 - 2 Liters
$50.00
71 reviews with an average rating of 4.3 out of 5 stars
Liquid Capacity:
67.6 fl. oz.
Weight:
7.4 ounces
Dimensions:
15.4 x 6.9 x 0.4 in.
HydraPakVelocity 1.5 L Hydration Reservoir
$38.00
3 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.
Gregory3D Hydro Trek Hydration Reservoir - Closeout - 3 Liters
$27.73
Save 42%
compared to $47.95
22 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
7 ounces
Dimensions:
12 x 9 x 3 in.
REI OUTLET
GregoryHydro 3 L Reservoir - 3 Liters
$39.95
1 reviews with an average rating of 5.0 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
6.45 ounces
Dimensions:
17.5 x 8.46 x 1.38 in.
Gregory3D Hydro Hydration Reservoir - 2 Liters
$49.95
245 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.
OspreyHydraulics LT Reservoir - 1.5 Liters
$42.00
54 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.
CamelBakCrux 3L Reservoir - 3 Liters
$42.00
291 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
8 ounces
PlatypusBig Zip EVO Reservoir - 3 Liters
$59.95
119 reviews with an average rating of 3.7 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
6.5 ounces
Dimensions:
21 x 9.5 x 1.25 in.
OspreyHydraulics LT Reservoir - 2.5 Liters
$44.00
68 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.
Top Rated
Bottle BrightCleaning Tablets - Multipack
$10.00 - $38.00
392 reviews with an average rating of 4.8 out of 5 stars
GregoryHydro Hydration Reservoir - 2 Liters
$34.95
53 reviews with an average rating of 4.0 out of 5 stars
Liquid Capacity:
67.6 fl. oz.
Weight:
9.4 ounces
Dimensions:
14.25 x 8 x 1.5 in.
OspreyHydraulics Hose Magnet Kit
$10.00
27 reviews with an average rating of 4.5 out of 5 stars
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CamelBakCrux 2L Reservoir - 2 Liters
$40.00
295 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
70 fl. oz.
Weight:
7 ounces
CamelBakFusion 3 L Reservoir
$66.00
32 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.
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.
OspreyQuick Connect Kit
$12.00
18 reviews with an average rating of 3.8 out of 5 stars
Top Rated
CamelBakReservoir Cleaning Kit
$24.00
66 reviews with an average rating of 4.5 out of 5 stars
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CamelBakCrux 1.5L Reservoir - 1.5 Liters
$36.00
118 reviews with an average rating of 4.0 out of 5 stars
Liquid Capacity:
50 fl. oz.
Weight:
7 ounces
OspreyHydraulics Bite Valve Cover
$7.00
50 reviews with an average rating of 3.0 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.
Gregory3D Hydro Trek Hydration Reservoir - 3 Liters
$62.95
26 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.
Top Rated
GregoryBite Valve Cover
$7.95
88 reviews with an average rating of 4.6 out of 5 stars
OspreyHydraulics Bite Valve
$9.00
69 reviews with an average rating of 3.3 out of 5 stars
OspreyHydraulics Reservoir Hose
$10.00
9 reviews with an average rating of 3.9 out of 5 stars
Top Rated
Bottle BrightGear Cleaning Tablets - Multipack
$12.00 - $24.00
12 reviews with an average rating of 4.8 out of 5 stars
Top Rated
HydraPakCamp Tap
$11.00
7 reviews with an average rating of 4.9 out of 5 stars
DAKINELumbar Reservoir 2.0 - 2 Liters
$66.00
1 reviews with an average rating of 2.0 out of 5 stars
Liquid Capacity:
70 fl. oz.
Weight:
1 lb. 14.7 oz.
Dimensions:
9.1 x 8 x 2.4 in.