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Internal Frame Backpacks

(234 products)

Products (234)

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Sierra DesignsGigawatt 60 L Pack
$104.73
Save 30%
compared to $149.95
2 reviews with an average rating of 1.0 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
4.5 lbs
Features:
Reservoir Compatible
REI OUTLET
New arrival
Arc'teryxMantis 26 L Pack
$135.73
Save 15%
compared to $160.00
0 reviews
Gear Capacity:
26 liters
Weight:
1.85 lbs
Features:
Reservoir Compatible
REI OUTLET
OspreyViva 65 Extended Fit Pack - Women's
$164.73
Save 25%
compared to $220.00
0 reviews
Trip Length/Capacity:
Multiday
Gear Capacity:
65 liters
Weight:
4.2 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
New arrival
OspreyRaptor Pro 18 Hydration Pack - Men's
$209.73
Save 25%
compared to $280.00
0 reviews
Gear Capacity:
18 liters
Liquid Capacity:
2.5 liters
Weight:
3.31 lbs
Features:
Hipbelt Pockets
REI OUTLET
Top Rated
GregoryKalmia 60 Pack - Women's Plus Sizes
$231.73
Save 25%
compared to $309.95
30 reviews with an average rating of 4.9 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
55 to 60 liters
Weight:
4.7 to 4.78 lbs
Features:
Reservoir Compatible
REI OUTLET
MammutDucan Spine 28-35 Pack - Women's
$168.73
Save 24%
compared to $224.95
5 reviews with an average rating of 3.6 out of 5 stars
Trip Length/Capacity:
Weekend
Gear Capacity:
35 liters
Weight:
3.09 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
MammutNirvana 35 Snow Pack - Women's
$149.73
Save 25%
compared to $199.95
0 reviews
Gear Capacity:
35 liters
Weight:
2.93 lbs
REI OUTLET
New arrival
ALPS MountaineeringHydro Trail 17 Hydration Pack
$119.73
Save 25%
compared to $159.99
0 reviews
Gear Capacity:
17 liters
Liquid Capacity:
3 liters
Weight:
2.13 lbs
Features:
Raincover Included
REI OUTLET
New arrival
Arc'teryxMantis 16 Pack
$101.73
Save 15%
compared to $120.00
0 reviews
Gear Capacity:
16 liters
Weight:
1.54 lbs
Features:
Reservoir Compatible
REI OUTLET
UltrAspireEpic XT 3.0 Running Hydration Pack
$174.73
Save 30%
compared to $249.95
0 reviews
Gear Capacity:
35 liters
Weight:
2 lbs
Features:
Hipbelt Pockets
REI OUTLET
New arrival
ALPS MountaineeringHydro Trail 15 Hydration Pack
$104.73
Save 25%
compared to $139.99
0 reviews
Gear Capacity:
15 liters
Liquid Capacity:
3 liters
Weight:
2.25 lbs
Features:
Raincover Included
REI OUTLET
Top Rated
GregoryKatmai 65 Pack - Men's Plus Sizes
$231.73
Save 25%
compared to $309.95
15 reviews with an average rating of 4.9 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
5 lbs
Features:
Reservoir Compatible
REI OUTLET
Top Rated
GregoryTarghee FastTrack 35 Snow Pack
$172.73
Save 24%
compared to $229.95
14 reviews with an average rating of 4.9 out of 5 stars
Gear Capacity:
35 liters
Weight:
2.87 lbs
REI OUTLET
GregoryArrio 24 Pack - Plus Size
$79.73
Save 27%
compared to $109.95
7 reviews with an average rating of 4.1 out of 5 stars
Gear Capacity:
24 liters
Weight:
3.23 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
MammutDucan Spine 50-60 Pack - Women's
$194.73
Save 25%
compared to $259.95
2 reviews with an average rating of 3.5 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
3.11 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
ALPS MountaineeringBoulder 30 Pack
$89.73
Save 30%
compared to $129.99
0 reviews
Gear Capacity:
30 liters
Weight:
1.75 lbs
Features:
Reservoir Compatible
REI OUTLET
New arrival
GregoryTarghee FastTrack 24 Snow Pack
$149.73
Save 25%
compared to $199.95
11 reviews with an average rating of 4.1 out of 5 stars
Gear Capacity:
24 to 26 liters
Weight:
2.67 to 2.82 lbs
REI OUTLET
OspreyUNLTD AirScape 68 Pack - Women's
$524.93
Save 25%
compared to $700.00
3 reviews with an average rating of 3.7 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
64 liters
Weight:
6.01 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
OspreyHydraJet 12 Hydration Pack - Kids'
$59.93
Save 25%
compared to $80.00
7 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
12 liters
Liquid Capacity:
1.5 liters
Weight:
0.84 lbs
OspreySopris 30 Snow Pack - Women's
$134.93
Save 25%
compared to $180.00
0 reviews
Gear Capacity:
30 liters
Weight:
2.44 lbs
OspreyKamber 20 Snow Pack - Men's
$134.93
Save 25%
compared to $180.00
9 reviews with an average rating of 4.0 out of 5 stars
Gear Capacity:
20 liters
Weight:
2.62 lbs
OspreySoelden 22 Snow Pack
$119.93
Save 25%
compared to $160.00
7 reviews with an average rating of 4.0 out of 5 stars
Gear Capacity:
22 liters
Weight:
2.19 lbs
DeuterFutura Pro Jaypack 36 Pack - Men's
$224.93
Save 25%
compared to $300.00
6 reviews with an average rating of 4.3 out of 5 stars
Gear Capacity:
36 liters
Weight:
5.12 lbs
Features:
Reservoir Compatible
Raincover Included
OspreySopris 20 Pack - Women's
$119.93
Save 25%
compared to $160.00
1 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
20 liters
Weight:
2.12 lbs