Greenroom136 Rainmaker vs. Tom Bihn Brain Bag

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

Greenroom136 Rainmaker

Front facing view of the Greenroom136 Rainmaker
Capacity22 L
Weight1.7 kg
Dimensions40×28×21 cm
Airline fit100%
Price$120

Feature by feature

Greenroom136 RainmakerFeatureTom Bihn Brain Bag
Storage
S Compression S
None Expanded Capacity None
4 Opening 4
side Passport top
N Passthrough N
Carry
S Backpack S
N Hip Belt N
S Sternum Strap R
Inside
15 Laptop 0
3 Main Compartments 6
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
0 Water Bottle Holder 2
Y Water Resistant Y
Material
1000D Cordurabluesign® certified 525 denier 2x2 Ballistic nylon exterior lined with bluesign® certified 210 denier 2x2 Ballistic nylon

Tom Bihn Brain Bag

Front facing view of the Tom Bihn Brain Bag
Capacity36 L
Weight1.3 kg
Dimensions46×36×24 cm
Airline fit92%
Price$200

The Greenroom136 Rainmaker is a hefty backpack despite its lighter weight of 1.7 pounds. The fit is comfortable and conforming to the body with ample room for all your necessities. The 22-liter capacity still manages to hold much more than anticipated. The adaptability is also a highlight, being compatible with all airlines. The 1000D Cordura contributes to its resilient and water-resistant exterior. The compartment for a 15-inch laptop adds a valuable utility for a business traveler or a student.

The Tom Bihn Brain Bag, on the other hand, is bigger in dimensions and beats Rainmaker in capacity at 36 liters but weighs less at 1.3 pounds. The proven comfort of its harness system ensures seamless usage, making it great for longer travels. The backpack is crafted with a bluesign® certified 525 denier 2x2 Ballistic nylon exterior lined with bluesign® certified 210 denier 2x2 Ballistic nylon which translates to a sturdy and water-resistant backpack. With two large internal pockets, there’s plenty of space for multiple items. The only downside would be the absence of a laptop compartment.

The direct comparison between the two backpacks can be summarized as:

The final verdict? If you need a backpack that's more compact, function-oriented, and perfect for everyday uses as well as travel, the Greenroom136 Rainmaker should be your choice. If size, weight, and comfort are paramount for you while traveling, then go for the Tom Bihn Brain Bag. However, it all ends with personal preferences. Choose the one that you believe will satisfy your needs and contribute positively to your adventures.