A tactical backpack only earns its place when it makes a loaded day feel more manageable. That is the promise behind the Highlander Stoirm Tactical Backpack (40L), the standout product I found in TACTREE’s current range. It is built around a full clamshell opening, hard-wearing 1000D fabric and a modular interior that lets you arrange equipment around the job rather than around the limitations of a traditional top-loader.
At £119.95, the 40L Stoirm sits in the serious everyday-carry bracket without reaching expedition-pack pricing. It makes sense for work kit, outdoor weekends, travel, training days or anyone who has grown tired of rummaging through one deep compartment. TACTREE is the UK retailer behind the buying experience, with tactical, military, police and outdoor equipment, free UK standard delivery over £30, immediate despatch claims and expert customer support.
The important distinction is that this is not simply a large black rucksack. The Highlander Stoirm Tactical Backpack (40L) is a configurable carry platform. The details below explain where that makes a genuine difference, and where a smaller pack or duffel may be a better fit.

Why the Stoirm 40L stands out
The best feature is the opening. The front-loading zip runs around three of the four sides, so the main compartment opens almost flat. That sounds like a small design choice until you are trying to reach a cable, medical pouch or spare layer packed at the bottom. Instead of emptying the bag onto the floor, you can see the load and work from the side you need.
TACTREE’s product information also gives the pack a convincing materials story. It uses 1000D nylon with a PU coating, padded shoulder straps and a reinforced back panel. Those are reassuring choices for equipment that may be pushed into vehicle boots, carried through wet weather or placed on rough ground. They do add substance: the listed weight is 1.91kg, so this is a structured carry solution rather than an ultralight daypack.
- 40L capacity for clothing, work equipment and longer day loads.
- Full clamshell access for easier packing and retrieval.
- Padded compartment for a laptop up to 17 inches.
- Detachable organiser panel and zipped mesh pockets for smaller essentials.
- Front and side hook and loop MOLLE panels for modular additions.
The pack also includes an enlarged eyewear hardcase with tricot lining, plus a hydration or antenna pass-through. That combination widens the use case beyond tactical work. A photographer can separate delicate accessories, a commuter can route a charger cleanly, and a hiker can keep a hydration tube accessible. The design feels most useful when your load changes from one day to the next.
A modular layout that adapts to the day
Stoirm’s wider system is the reason the 40L feels more interesting than a standard large backpack. The front and side panels accept compatible pouches, while the internal organiser can be removed when you need one open space. The smaller Highlander Stoirm Utility Pouch is listed at £19.95 and adds a hook and loop base, Hypalon strap handle and waterproof zipper for loose accessories.

For even more control, the Highlander Stoirm Molle Panel is listed at £12.45. It is a removable panel for attaching Stoirm pouches to the pack’s hook and loop base. This is a useful, relatively low-cost upgrade if you want to experiment with layout before buying several accessories.
- Keep daily technology in one removable pouch.
- Separate first-aid or field essentials from clothing.
- Reposition storage for a workday, range day or overnight trip.
- Remove the organiser when carrying bulky equipment.
That flexibility is the core buying argument. A fixed pocket layout can look tidy in a product photo but become frustrating when your equipment changes. Stoirm lets you start with the pack, then add only the storage pieces you actually need.
How it compares with the rest of the range
If 40L sounds more capacity than you need, the Highlander Stoirm Tactical Backpack (25L) is the more compact alternative, listed at £99.95. It keeps the full front-access idea but should feel less imposing on a daily commute. The 40L is the better choice when clothing, a laptop and multiple pouches need to travel together.
For pure volume, the Highlander Stoirm Duffel Bag (50L) is listed at £189.90. It uses 1000D nylon with a three-layer PU coating, interior MOLLE, detachable dividers and three carry options: padded handle, shoulder strap or hidden rucksack straps. It is better for vehicle-based kit, gym equipment and travel packing, while the 40L wins for hands-free movement.

- Choose the 40L backpack for hands-free, organised mixed loads.
- Choose the 25L when everyday proportions matter more than spare capacity.
- Choose the 50L duffel for maximum packing access and vehicle travel.
- Choose the Stoirm Messenger Bag for commuting and shoulder carry.
The rest of the system supports those decisions rather than competing for attention. The Highlander Stoirm Primaloft Thermal Jacket, at £169.90, uses Primaloft I-2001 60gsm insulation and knitted stretch panels. It is not an accessory for the bag, but it shows how TACTREE’s range covers the wider outdoor and professional day around the carry system.

The buying experience at TACTREE
The product pages are refreshingly practical: model name, colour options, dimensions, materials, feature lists and a visible price. TACTREE also highlights delivery information, returns and exchanges, customer service and its rewards club, which makes the checkout feel less like a blind marketplace purchase.
Before ordering, check the dimensions against your normal load and think about the pack’s empty weight. Then decide whether you need modular pouches immediately or would rather learn the base layout first. A sensible order looks like this:
- Measure the laptop, clothing and equipment you actually carry.
- Compare 25L, 40L and 50L capacity against your usual day.
- Check whether black or Ranger Green suits your kit and use.
- Add one pouch only if it solves a specific organisation problem.
- Review delivery and returns before completing checkout.
There is also a TACTREE rewards option for repeat shoppers, plus specialist services including custom engraving and embroidery elsewhere in the store. Those extras are useful context, but the 40L pack remains the reason to visit this particular product page.

My verdict on the Stoirm 40L
The Highlander Stoirm Tactical Backpack (40L) is compelling because its features work together. The clamshell opening improves access, the 1000D construction supports hard use, the laptop and eyewear protection add everyday relevance, and the modular panels give the interior a longer useful life. At £119.95, it looks like the balanced choice in the Stoirm range.
It is not the right pick for someone who wants the lightest possible daypack, and the 1.91kg starting weight deserves consideration. For everyone else, especially people carrying mixed equipment, this is the product I would investigate first. You can start with a capable 40L bag and gradually tailor it instead of guessing at a complete loadout on day one.
Is the Stoirm 40L suitable for commuting?
Yes, if you carry a laptop, clothing or work equipment and value full access. Its structured build is heavier than a minimalist commuter bag, but the padded 17-inch laptop area, organiser panel and practical pockets make it easy to use for a mixed workday.
Can the interior be changed later?
Yes. The organiser panel is detachable, and hook and loop MOLLE panels support compatible Stoirm pouches such as the Utility Pouch. That means the internal arrangement can evolve as your equipment changes.
What should I check before ordering?
Check the 40L capacity, 52 x 33 x 21.5cm dimensions, 1.91kg weight and the current colour and price information on the Stoirm 40L product page. If your load is smaller, compare the 25L version before deciding.