1 / 7JANSPORT Big Day Pack, 26 L Backpack with 15-inch Laptop Sleeve
Backpack: The JANSPORT Big Day Pack is a two-compartment daypack with a claimed 26 L capacity and a sleeve for laptops up to 15 inches. Its multiple pockets and padded carrying features suit school and daily essentials, but the listing’s separate capacity and dimension fields conflict, so confirm the selected product details before relying on them.
At a glance
- Two large main compartments and six listed pockets provide separate places for school and everyday items.
- A 15-inch laptop sleeve is paired with a front organiser pocket, key clip and side bottle pockets.
- Ergonomic S-curve shoulder straps and a padded back panel are listed for carrying comfort.
Often bought together
Pros and cons
Pros
- Laptop sleeve and several organiser pockets support carrying school materials and everyday essentials.
- The claimed 26 L capacity and two large main compartments offer room to separate larger items.
- Listed weight is 570 Grams.
Cons
- The listing says the backpack is not water resistant, so it is not specified for wet-weather protection.
Technical specifications
19 specifications| Brand | JanSport |
|---|---|
| Model | Big Day Pack |
| Colour | Black |
| Capacity | 26 L |
|---|---|
| Dimensions | 43.5 x 19 x 32.5 cm |
| Weight listed | 570 Grams |
| Main compartments | Two large main compartments |
|---|---|
| Pockets | 6 |
| Zippered compartments | 5 |
| Laptop sleeve size | 15 Inches |
| Bottle pockets | Dual side water bottle pockets |
| Material listed | 100% polyester |
|---|---|
| Fabric detail | 100% Recycled Polyester 600 Denier |
| Water resistance listed | Not Water Resistant |
| Shell type | Soft Shell |
| Harness | S-Curve Harness |
|---|---|
| Shoulder straps and back panel | Ergonomic S-curve shoulder straps, Fully padded back panel |
| Closure | Zipper |
| Care instructions | Spot clean with a damp cloth, Machine wash gently |
What to know before buying
Listing details to confirm
The listing gives a 26 L capacity but also reports storage volume as 1 Liters, and its dimension entries differ: the title gives 43.5 x 19 x 32.5 cm while another field says 15D x 30W x 43H centimetres. Confirm the selected listing’s capacity and dimensions before purchase.
Who is it for?
A good fit for
- School users who want a laptop sleeve and multiple organiser pockets.
- People carrying books, a laptop and a water bottle in separate compartments.
- Buyers looking for a lightweight daypack with padded shoulder straps and back panel.
Less suited to
- Anyone needing a backpack with stated water resistance.
- Buyers who need confirmed capacity or dimensions without resolving the listing discrepancies.

Customer reviews on Amazon
- 5 stars
82% 82% - 4 stars
8% 8% - 3 stars
4% 4% - 2 stars
0% 0% - 1 star
6% 6%
Customer feedback describes the backpack’s appearance favourably and reports that it feels spacious and works well for school. Those impressions are relevant if you need a school daypack with multiple compartments, though they do not resolve the listing’s conflicting capacity and dimension details. The overall ratings skew positive, but a smaller low-star share means experiences are not uniformly favourable.
Positive themes
- Customer feedback highlights its appearance.
- Customers describe the backpack as spacious.
- School use is mentioned favourably.
Frequently asked questions
What size laptop does the JANSPORT Big Day Pack accommodate?
The listing specifies a sleeve for devices up to 15 Inches. Check your laptop’s dimensions as well as its screen size before buying.
Is this backpack water resistant?
No. Its listed water resistance level is “Not Water Resistant”.
How much can the backpack hold?
The manufacturer details state 26 L, but a separate listing field gives 1 Liters. The capacity is therefore inconsistent in the listing and should be confirmed.
What are the listed dimensions?
The title and feature details give 43.5 x 19 x 32.5 cm, while another dimension field lists 15D x 30W x 43H centimetres. Confirm which applies to the selected listing.

Alternative options

JANSPORT UNION PACK Backpack
£36.00

JANSPORT FLEX PACK Backpack, 15 inch padded laptop compartment, Black (Black)
£26.50

JANSPORT Slouch Pack Black
£40.00

JanSport Unisex Cool Student Classic Bag, Black and silver, 43X25X33
£51.50

JanSport CORTLANDT Large Backpack, 15 inch laptop compartment, Black (Black)
£43.99

























