GORUCK GR1 USA - X-PAC vs. Greenroom136 Rainmaker

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

GORUCK GR1 USA - X-PAC

Front facing view of the GORUCK GR1 USA - X-PAC
Capacity21 L
Weight1 kg
Dimensions46×29×14 cm
Airline fit94%
Price$335

Feature by feature

GORUCK GR1 USA - X-PACFeatureGreenroom136 Rainmaker
Storage
N Compression 4
None Expanded Capacity None
1 Opening 1
top Passport side
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap Y
Inside
15in Laptop 15in
3 Main Compartments 3
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
XPAC VX211000D Cordura

Greenroom136 Rainmaker

Front facing view of the Greenroom136 Rainmaker
Capacity22 L
Weight1.7 kg
Dimensions40×28×20 cm
Airline fit99%
Price$150

Key differences between the GORUCK GR1 USA - X-PAC and Greenroom136 Rainmaker

Both have: backpack straps, 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. 178 accept both. 0 accept only the GORUCK GR1 USA - X-PAC, and 9 accept only the Greenroom136 Rainmaker.

Only the Greenroom136 Rainmaker fits

Air Tahiti, Great Lakes Airlines, Gulf Air, LC Perú, Lion Air Group, Spring Airlines, VivaColombia, Volaris, Wizz Air.

GORUCK GR1 USA - X-PAC vs. Greenroom136 Rainmaker: which should you pack?

The Greenroom136 Rainmaker carries 1L more than the GORUCK GR1 USA - X-PAC (21L vs. 22L), while the GORUCK GR1 USA - X-PAC is the lighter pack at 1kg (vs. 1.7kg). For carry-on flexibility, the Greenroom136 Rainmaker fits 99% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Greenroom136 Rainmaker; if you want to travel lighter, the GORUCK GR1 USA - X-PAC is the better call.