GORUCK GR1 21 vs. Millican Miscellaneous Adventures

Two carry-on travel backpacks, compared spec for spec.

GORUCK GR1 21

Front facing view of the GORUCK GR1 21
Capacity21 L
Weight0.9 kg
Dimensions46×29×14 cm
Airline fit94%
Price$505

Feature by feature

GORUCK GR1 21FeatureMillican Miscellaneous Adventures
Storage
N Compression
None Expanded Capacity None
1 Opening 0
top Passport side
N Passthrough N
Carry
Y Backpack
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop 15in
3 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder
Y Water Resistant Y
Material
Dyneema Composite Fabric (CT9Hw6/blkwov6)100% recycled polyester made from 40 PET bottlesC6 DWR water repellent treatmentPU1500 waterproof coating

Millican Miscellaneous Adventures

Front facing view of the Millican Miscellaneous Adventures
Capacity18 L
Weight1 kg
Dimensions51×29×13 cm
Airline fit89%
Price$110

Key differences between the GORUCK GR1 21 and Millican Miscellaneous Adventures

Both have: laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 169 accept both. 9 accept only the GORUCK GR1 21, and 0 accept only the Millican Miscellaneous Adventures.

Only the GORUCK GR1 21 fits

Air Niugini, American Eagle, Belavia, easyJet, Etihad Airways, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.

GORUCK GR1 21 vs. Millican Miscellaneous Adventures: which should you pack?

The GORUCK GR1 21 carries 3L more than the Millican Miscellaneous Adventures (21L vs. 18L), while the GORUCK GR1 21 is the lighter pack at 0.9kg (vs. 1kg). For carry-on flexibility, the GORUCK GR1 21 fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the GORUCK GR1 21; if you want to travel lighter, the GORUCK GR1 21 is the better call.