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Boreas Buttermilks Reviews Summary and Buyer's Guide

Last updated July 3, 2019

based on 61 reviews

We have checked tens of reviews and found 10 reasons to buy the Buttermilks - and 3 reasons NOT to buy it.

Check all the pros and cons here.

99% of the reviewers give the Boreas Buttermilks a good or excellent rating!

Excellent (83%)
Good (16%)
Average (0%)
Poor (0%)
Bad (0%)


Reviews Summary

Here's what the reviewers think about the Boreas Buttermilks:

Reviewers like these things about the Boreas Buttermilks

  • Most reviewers mentioned that Boreas Buttermilks backpack is lightweight and simple.
  • Others thought that it was designed for those who are moving at a fast pace.
  • Many of those who have tried the pack have commented on the presence of several pockets where they can place several of their valuables and gears.
  • Others noted that the 100D triple-ripstop nylon material of its body is durable enough.
  • A lot of reviewers felt comfortable using the bag due to its foamed back panel which pumps air behind the back while walking.
  • Users noted that its frame sheet could be removed when deemed unnecessary.
  • Several of those who have used the pack also said that is easy to grab the bag due to its easy-access handle.
  • Many testers praised the bag for having two daisy chains that could be tucked away when not in use.
  • Users have noted that the pack has two hip belt pockets which add to its overall functionality.
  • Other users pointed out that the bag could resist any weather condition through its integrated rain cover.

Reviewers don't like these things

  • A user thought that the backpack has a weak side pocket configuration.
  • Another user noted that the water bottle could not be reached while wearing the pack.
  • A reviewer indicated that the back pocket is a little tight.


Crowdsourced specs across all Boreas Buttermilks models and sizes:

Capacity iconCapacity40 l (2441 cuin)
Weight iconWeight2.8-3 oz (1.3-1.4 kg)
Length iconLength24-25 in (61-64 cm)
Width12 in (30 cm)
Height10-11 in (25-28 cm)

Popular Models

Boreas Buttermilks 55

70% choose the Boreas Buttermilks 55

70 %
Colors and combinations:


Weight iconWeight3 oz (1.4 kg)
Length iconLength25 in (64 cm)
Width12 in (30 cm)
Height11 in (28 cm)

Boreas Buttermilks 40

30% choose the Boreas Buttermilks 40

30 %
Colors and combinations:


Capacity iconCapacity40 l (2441 cuin)
Weight iconWeight2.8 oz (1.3 kg)
Length iconLength24 in (61 cm)
Width12 in (30 cm)
Height10 in (25 cm)

Boreas Buttermilks 55 vs Buttermilks 40

The two most popular Boreas Buttermilks models are the Buttermilks 55 and the Buttermilks 40, so let's compare them:

The Buttermilks 55
Boreas Buttermilks 55

The Buttermilks 40
Boreas Buttermilks 40

Popularity and Prices

In total, 100% of the people interested in the Boreas Buttermilks bags choose one of these two models. The most popular choice is the Buttermilks 55 which is choosen by 70% (2.3 times as many as the 30% that choose the Buttermilks 40).

Buttermilks 55Buttermilks 40
Most popular

Weight and dimensions

The weight of the Buttermilks 55 is 0.2 kg (7.1 oz) higher than the weight of the Buttermilks 40.

Buttermilks 55Buttermilks 40

If we look at dimensions, both the Buttermilks 55 and the Buttermilks 40 has the same length (25 in). Both bags are the same width (12 in), while the height is the same (both 11 in).

Features and Colors

Both models are available in black and green. Only the Buttermilks 55 is available in grey.

Feature Summary

Many sources mention these Boreas Buttermilks features:
  • Ultralight
  • Seam taped

Actual features depends on the model, so check the features before you buy.

Packing Guide

See how much a traveller, an athlete and an outdoorsy person can pack in the different Boreas Buttermilks models (the most popular choice is the Buttermilks 55).

Capacity/Weight Levels

The capacity/weight level shows how much the bag weights compared with it's capacity (volume).

The lower the capacity/weight level, the better.

4040 l2.8 oz0.07 oz/L


vs Boreas Bags

The Boreas Buttermilks ranks #1 compared with the other Boreas bags.

1Boreas Buttermilks
Boreas Buttermilks
2Boreas Lost Coast
Boreas Lost Coast

vs All Bags

The Boreas Buttermilks ranks #1258 compared with all the bags we have checked.

1256Osprey Zealot
Osprey Zealot
1257Boreas Buttermilks
Boreas Buttermilks
1258Fjallraven Foldsack
Fjallraven Foldsack
1259Badlands Kali
Badlands Kali
1260Nike Brasilia
Nike Brasilia

Bag ID 31690. Images from Amazon Product Advertising API and shop datafeeds.

Last updated on July 03, 2019