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Product guide

Thule Subterra 2 Backpack, 21L, Black

Black: The Thule Subterra 2 backpack is a 21-liter laptop and travel pack with padded sleeves, multiple storage areas, and a water-resistant listing claim. Its organized pockets and luggage pass-through suit commuting and travel, while customer feedback is mixed on usable capacity, weight, and how well it stands on its own.

At a glance

Padded, soft-lined laptop sleeve and padded tablet sleeve are specified for devices up to 16 inches and a 10.9-inch tablet, respectively.
Interior organization panel is described for small essentials, with a separate pocket for a power brick and a soft-lined pocket for fragile items.
A back-panel pocket, two large side water-bottle pockets, and a luggage pass-through add travel-oriented storage options.
The listing describes a ventilated padded back panel and sternum strap for carrying stability.

Price

$110.95Save 26%

Reference price: ~~$149.95~~

Price checked: Nov 14, 2026

View offer

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Pros and cons

Pros

Dedicated padded laptop and tablet storage gives electronics separate compartments from the main load.
The described interior panel, power-brick pocket, soft-lined pocket, and back-panel pocket offer distinct places for everyday and travel essentials.
The luggage pass-through is useful for attaching the pack to rolling luggage.

Technical specifications

20 specifications

Identity and capacity
Brand	Thule
Model	Subterra
Capacity	21 liters
Color	Black
Backpack design	Laptop Backpack
Recommended uses	School, Sport, Travel, Work

Dimensions and weight
Dimensions (D × W × H)	8.7"D x 8.7"W x 18.9"H
Weight listed	0.85 kg

Laptop and organization
Maximum compatible device size	16 inches
Laptop sleeve claim	Padded, soft-lined laptop sleeve fits a 15.6'' PC and 16" MacBook and padded tablet sleeve protects 10.9'' tablet
Pockets	9
Compartments	8
Pocket description	Utility Pocket

Materials and protection
Outer material	Durable, water-resistant fabric
Material type	Polyester
Shell type	Soft Shell
Water resistance listed	Water Resistant

Carrying and care
Strap type	Basic
Care instructions	Machine Wash
Warranty description	Limited Lifetime

What to know before buying

Listing details to confirm

Customer feedback differs on how much the bag holds, whether it stands on its own, its weight, and whether the padding feels excessive. The 21-liter listed capacity may not match every buyer's expectations for usable space.

What’s in the box

Included

Laptop backpack

Who is it for?

A good fit for

Commuters carrying a laptop and small daily essentials who want dedicated device sleeves and interior organization.
Travelers who can use a luggage pass-through, bottle pockets, and a separate back-panel pocket for a passport or wallet.
Buyers looking for a compact 21-liter pack for work, school, sport, or travel.

Less suited to

People who need a large-capacity travel bag or want assurance that it will stand upright when set down.
Buyers who prioritize a particularly light-feeling or minimally padded backpack, given mixed customer impressions of weight and padding.

Thule Subterra 2 Backpack, 21L, Black · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 243 ratings

5 stars80%80%
4 stars12%12%
3 stars3%3%
2 stars1%1%
1 star4%4%

Customer feedback highlights perceived quality, useful storage, design, and travel convenience. Experiences are mixed on capacity, durability, weight, and padding, with comments also differing on whether it stands well on its own. For buyers choosing a 21-liter laptop pack, those differences matter because the listed capacity and multiple pockets do not guarantee that the main compartment will suit every load or that the bag will feel light when carried.

Positive themes

Customers describe the bag as good quality and appreciate its design and travel-friendly character.
Customers report liking the pocket arrangement and interior storage.

Mixed feedback

Customer impressions differ on how much the bag holds and whether it stands on its own.
Feedback is mixed on weight and padding, with some finding the bag lightweight and others finding it heavier or over-padded.
Customers disagree about durability.

Frequently asked questions

What size laptop does the Thule Subterra backpack fit?

The listing identifies a maximum compatible device size of 16 inches and describes a padded, soft-lined sleeve for a 15.6-inch PC and 16-inch MacBook. It also specifies a padded sleeve for a 10.9-inch tablet.

How much can the backpack hold?

The stated capacity is 21 liters. Customer feedback is mixed on usable space, so consider whether that size suits your typical load.

Is this backpack waterproof?

The listing calls it water resistant and describes a water-resistant fabric finish. It does not establish that the pack is waterproof.

Does it attach to rolling luggage?

The listed luggage pass-through strap is intended to attach the backpack to rolling luggage.