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 Patches and Pins Pack Accessory Pockets 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

(98 products)

Products (98)

Sort: Best Match

Top Rated
REI Co-opPackmod Accessory Straps - Package of 2
$14.95
20 reviews with an average rating of 4.6 out of 5 stars
Top Rated
REI Co-opPackmod Rainshield Pocket
$19.95
20 reviews with an average rating of 4.5 out of 5 stars
Top Rated
OspreyUltralight Dry Sack
$18.00 - $34.00
10 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
3 to 35 liters
Weight:
0.06 to 0.17 lbs
Top Rated
REI Co-opPackmod Mesh Pocket
$14.95
5 reviews with an average rating of 5.0 out of 5 stars
OspreyHydraulics Reservoir - 2 Liters
$48.00
26 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
198 reviews with an average rating of 4.7 out of 5 stars
REI Co-opDitty Sacks - Set of 3
$22.95
1 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
2 to 7 liters
Weight:
0.18 lbs
REI Co-opPackmod Hipbelt Pocket
$14.95
10 reviews with an average rating of 4.2 out of 5 stars
REI Co-opDurable Stuff Sack
$10.95 - $14.95
2 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
Outside Safe SpaceLapel Pin
$10.00
2 reviews with an average rating of 5.0 out of 5 stars
REI Co-opDuck's Back Pack Rain Cover - Extra-Small
$27.95
0 reviews
GregoryHydro Hydration Reservoir - 2 Liters
$29.95
31 reviews with an average rating of 3.9 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
Sea to SummitUltra-Sil Dry Bag
$22.95 - $39.95
75 reviews with an average rating of 4.6 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
19 reviews with an average rating of 4.5 out of 5 stars
Weight:
0.19 lbs
Outdoor Afro + REI Co-opPatch
$2.83
Save 59%
compared to $6.95
1 reviews with an average rating of 5.0 out of 5 stars
OspreyUltralight Dry Sack with Window
$16.73 - $28.73
Save 23% - 26%
compared to $22.00 - $38.00
2 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
REI OUTLET
REI Co-opDuck's Back Pack Rain Cover - Medium
$34.95
0 reviews
Top Rated
HydraPakHydraSleeve Reservoir - 3 Liters
$68.00
19 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.
Top Rated
Sea to SummitUltra-Sil Dry Bag - Set of 3
$69.95
20 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
3 to 8 liters
Weight:
0.34 lbs
Gregory3D Hydro Trek Hydration Reservoir - 3 Liters
$27.73
Save 42%
compared to $47.95
9 reviews with an average rating of 2.9 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
7 ounces
Dimensions:
12 x 9 x 3 in.
REI OUTLET
Top Rated
Sea to SummitMesh Stuff Sack - Set of 3
$39.95 - $44.95
12 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
16 to 26 liters
Weight:
0.39 to 0.46 lbs
CamelBakReservoir Cleaning Kit
$22.00
53 reviews with an average rating of 4.5 out of 5 stars
Top Rated
HEROCLIPMedium Hanger
$22.95
81 reviews with an average rating of 4.9 out of 5 stars
OspreyHydraulics Hose Magnet Kit
$10.00
2 reviews with an average rating of 5.0 out of 5 stars
OspreyHydraulics Reservoir - 3 Liters
$50.00
53 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
Sea to SummitUltra-Sil Compression Sack
$34.95 - $52.95
93 reviews with an average rating of 4.8 out of 5 stars
Gear Capacity:
5 to 35 liters
Weight:
0.12 to 0.26 lbs
OspreyHydraulics LT Reservoir - 1.5 Liters
$40.00
25 reviews with an average rating of 4.4 out of 5 stars
Liquid Capacity:
50.7 fl. oz.
Weight:
5.4 ounces
Dimensions:
13.4 x 7.7 x 0.4 in.
Gregory3D Hydro Hydration Reservoir - 3 Liters
$44.95
202 reviews with an average rating of 4.3 out of 5 stars
Liquid Capacity:
101.4 fl. oz.
Weight:
7 ounces
Dimensions:
17.25 x 7 x 3 in.
REI Co-opLightweight Compression Stuff Sack
$19.95 - $26.95
2 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
5 to 20 liters
Weight:
0.17 to 0.24 lbs
CamelBakCrux 3L Reservoir - 3 Liters
$39.00
269 reviews with an average rating of 3.6 out of 5 stars
Liquid Capacity:
100 fl. oz.
Weight:
8 ounces