What are some popular brands for pack accessories at REI?

The top brands for pack accessories include: Osprey CamelBak REI Co-op Gregory Sea to Summit Browse our selection of top outdoor gear and apparel brands.

Which types of pack accessories should I consider?

The top types of pack accessories at REI Co-op include: Hydration Reservoirs Stuff Sacks Pack Rain Covers Pack Accessory Pockets Pack Duffel Bags 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 pack accessories purchase?

REI Co-op Members get 10% back annually on every eligible purchase, including most full-priced pack accessories. (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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Pack Accessories

(93 products)

Products (93)

Sort: Best Match

REI Co-opPackmod Hipbelt Pocket
$14.95
10 reviews with an average rating of 4.2 out of 5 stars
Top Rated
REI Co-opPackmod Accessory Straps - Package of 2
$14.95
21 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opPackmod Mesh Pocket
$14.95
6 reviews with an average rating of 5.0 out of 5 stars
REI Co-opPackmod Rainshield Pocket
$19.95
23 reviews with an average rating of 4.3 out of 5 stars
OspreyHydraulics Reservoir - 2 Liters
$48.00
32 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
Bottle BrightCleaning Tablets - Package of 12
$8.00
353 reviews with an average rating of 4.8 out of 5 stars
Top Rated
Sea to SummitUltra-Sil Dry Bag
$22.95 - $39.95
84 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
3 to 35 liters
Weight:
0.07 to 0.16 lbs
Top Rated
REI Co-opPack In Pack Out Pouches - Set of 3
$24.95
21 reviews with an average rating of 4.6 out of 5 stars
Weight:
0.19 lbs
GregoryRaincover 50-80 L
$39.95
7 reviews with an average rating of 3.9 out of 5 stars
Top Rated
HEROCLIPMedium Hanger
$22.95
82 reviews with an average rating of 4.9 out of 5 stars
Top Rated
REI Co-opLightweight Compression Stuff Sack
$19.95 - $26.95
7 reviews with an average rating of 4.9 out of 5 stars
Gear Capacity:
5 to 20 liters
Weight:
0.17 to 0.24 lbs
REI Co-opDitty Sacks - Set of 3
$22.95
4 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
2 to 7 liters
Weight:
0.18 lbs
REI Co-opDuck's Back Pack Rain Cover - Extra-Small
$27.95
2 reviews with an average rating of 4.5 out of 5 stars
OspreyHydraulics Bite Valve
$9.00
31 reviews with an average rating of 3.5 out of 5 stars
REI Co-opDuck's Back Pack Rain Cover - Medium
$34.95
0 reviews
Top Rated
OspreyUltralight Dry Sack with Window
$22.00 - $38.00
5 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
3 to 35 liters
Weight:
0.06 to 0.33 lbs
Top Rated
REI Co-opDurable Stuff Sack
$10.95 - $14.95
5 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
10 to 60 liters
Weight:
0.13 to 0.29 lbs
OspreySternum Magnets - Package of 3
$12.00
1 reviews with an average rating of 5.0 out of 5 stars
Top Rated
OspreyHydraulics Hose Magnet Kit
$10.00
11 reviews with an average rating of 4.8 out of 5 stars
Top Rated
GregoryBite Valve Cover
$6.95
80 reviews with an average rating of 4.6 out of 5 stars
Top Rated
CamelBakReservoir Cleaning Kit
$22.00
54 reviews with an average rating of 4.5 out of 5 stars
OspreyHydraulics Reservoir - 3 Liters
$50.00
70 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
$68.00
30 reviews with an average rating of 4.8 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
10.8 ounces
Dimensions:
18.5 x 9.6 in.
OspreyHydraulics LT Reservoir - 2.5 Liters
$42.00
42 reviews with an average rating of 3.8 out of 5 stars
Liquid Capacity:
84.5 fl. oz.
Weight:
5.9 ounces
Dimensions:
16.3 x 7.7 x 0.4 in.
REI Co-opDuck's Back Pack Rain Cover - Large
$39.95
0 reviews
GregoryRaincover 30-50 L
$34.95
3 reviews with an average rating of 5.0 out of 5 stars
Gregory3D Hydro Hydration Reservoir - 3 Liters
$44.95
276 reviews with an average rating of 4.5 out of 5 stars
Liquid Capacity:
101.4 fl. oz.
Weight:
7 ounces
Dimensions:
17.25 x 7 x 3 in.
OspreyHydraulics LT Reservoir - 1.5 Liters
$40.00
33 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.
Top Rated
Gregory3D Hydro Hydration Reservoir - 2 Liters
$42.95
212 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.
CamelBakCrux 1.5L Reservoir - 1.5 Liters
$33.00
104 reviews with an average rating of 4.0 out of 5 stars
Liquid Capacity:
50 fl. oz.
Weight:
7 ounces