1 / 7Thule Chasm 26L Laptop Backpack
The Thule Chasm 26L is a laptop backpack for work, school, sport and travel, with a padded computer sleeve, recycled fabrics and quick-access storage. The listing describes weather-resistant protection on the front panel and base, rather than claiming the entire bag is waterproof.
At a glance
- An elevated, thickly padded laptop sleeve is advertised for computers up to 16 inches, though another manufacturer detail specifies 15.6-inch PC or 15-inch MacBook compatibility.
- A side zipper provides access to the laptop compartment, while a top zip pocket is intended for a phone and small items.
- The listing describes a mesh organizer, slip pockets and space for a power brick, plus expandable side pockets.
- Manufacturer details describe weather-resistant fabric on the front panel and base, not waterproof protection for the whole backpack.
- Adjustable sternum strap, breathable shoulder straps and padded back panel are listed.
Often bought together
Pros and cons
Pros
- 26-litre capacity with several listed compartments and an organizer for separating smaller accessories.
- Recycled materials are stated for the exterior and interior fabrics, webbing and mesh.
- Laptop access through a side zipper can be convenient when retrieving a computer without opening the main compartment.
- Expandable side pockets and exterior daisy chains add options for carrying a bottle and attaching gear.
Technical specifications
22 specifications| Brand | Thule |
|---|---|
| Model | Chasm |
| Capacity | 26 liters |
| Laptop compatibility listed | 16 inches |
| Backpack type | Laptop Backpack |
| Recommended uses | School, Sport, Travel, Work |
| Dimensions listed | 30.48 x 21.59 x 49.53 cm; 907.18 g |
|---|---|
| Weight listed | 907 g |
| Water resistance listed | Water Resistant |
|---|---|
| Main material | Polyester |
| Outer material | Recycled |
| Lining | Nylon |
| Shell | Soft Shell |
| Recycled fabric claim | All the exterior and interior fabrics, webbings, and mesh are made of 100% recycled materials |
| Pocket count listed | 3 |
|---|---|
| Compartment count listed | 4 |
| Pocket description | Slip Pocket |
| Strap type | Shoulder Strap |
| Closure | Zipper |
| Care instructions | Hand Wash Only |
|---|---|
| Fabric stretch | No Stretch |
| Fabric weight class | Medium Weight |
What to know before buying
Listing details to confirm
The laptop size claims differ: one feature says a 16-inch MacBook, while manufacturer details specify a 15.6-inch PC or 15-inch MacBook. Check your device dimensions and the selected listing before buying. The listed dimensions also differ from the separate manufacturer specification of 12.0" x 8.5" x 19.5", and the model identifiers vary between 3204981 and TCHB215. The stated water resistance applies to the front panel and base, not a confirmed waterproof rating for the whole bag.
What’s in the box
Included- Laptop backpack
Who is it for?
A good fit for
- Buyers wanting a 26-litre daypack with a padded laptop sleeve and separate accessory storage.
- Work, school, sport or travel users who value side laptop access and top-pocket access to small items.
- Shoppers seeking a backpack whose manufacturer claims recycled fabrics, webbing and mesh.
Less suited to
- People who need a confirmed waterproof bag or protection specified for every panel.
- Buyers who need assured fit for a particular laptop without checking the device's dimensions against the conflicting compatibility details.

Customer reviews on Amazon
- 5 stars
81% 81% - 4 stars
10% 10% - 3 stars
5% 5% - 2 stars
2% 2% - 1 star
2% 2%
Customer feedback describes the backpack as well-built and durable, with storage divisions, a compact size and versatility among its reported strengths. Some colour opinions differ. These are customer impressions, not confirmation of the listed materials or weather resistance. The generally positive aggregate ratings offer context but cannot establish fit for a particular laptop or how the bag performs in wet conditions.
Positive themes
- Customers describe the build quality and durability favourably.
- Feedback appreciates the storage divisions and compact, versatile size.
- Some customers value the design and perceived value.
Mixed feedback
- Opinions on colour vary.
Frequently asked questions
What is the listed capacity?
The backpack is listed at 26 litres.
Will it fit a 16-inch laptop?
The listing advertises a sleeve for a 16-inch MacBook, but another manufacturer detail specifies a 15.6-inch PC or 15-inch MacBook. Check your laptop's dimensions and confirm the selected listing.
Is the backpack waterproof?
No waterproof rating is provided. The manufacturer describes weather-resistant protection on the front panel and base.
What materials are used?
The listing names polyester, recycled outer material and nylon lining. A manufacturer claim says the exterior and interior fabrics, webbing and mesh are made of 100% recycled materials.

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