The backpack is very spacious, the color matches the one shown in the preview photo, the carrying system is well thought out—even when the backpack is fully loaded, you don't feel it even after carrying it for a long time with a heavy load. Highly recommended.
Wisport SilverFox II Backpack 40 l Black
Black medium-sized military backpack with a capacity of 40 liters. Features numerous practical solutions, including ski attachment loops, an advanced SAS carrying system and OpenBack design with an openable back panel. Crafted from tough Cordura fabric, outfitted with certified ITW Nexus and Duraflex buckles, and reinforced with bartack stitching. Exceptional durability and resistance to damage make this backpack ideal for demanding conditions.
OpenBack system
The backpack features the OpenBack system, which provides access to the backpack’s interior via a removable back panel. By detaching the shoulder straps and unzipping the zipper, you gain full access to the main compartment from the frame side—a major benefit when transporting extensive gear. Users can extract or pack required items into the backpack without displacing other contents.
Advanced SAS carrying system
The SAS (Semi Adjustable System) carrying system offers full adjustability to fit various body types. Featuring adjustable chest and hip belts, the design ensures optimal load transfer to the hips, significantly reducing spinal strain. Backpack straps are fully removable with buckles and include loops designed to accommodate a hydration bladder tube. Both the straps and back panel are padded with soft, breathable mesh, enhancing airflow for greater comfort.
Flap closure and extended sleeve
Inspired by functionality, the backpack features a single, generously sized main compartment secured by a flap and sleeve closure. Two adjustable straps with Fastex buckles fasten the flap, while the drawstring sleeve enables expansion of the backpack’s capacity when necessary. The flap also includes an upper zippered pocket and a Velcro panel designed for attaching emblems or patches.
MOLLE/PALS mounting system and ski loops
Equipped with mounting straps utilizing the MOLLE/PALS system both inside and outside, the backpack enables secure attachment of extra pouches and pockets. External compression straps with buckles provide additional carrying options for larger equipment, such as a sleeping bag, sleeping pad, or jacket. Open side compartments are located on the sides, ideal for storing a water bottle or thermos, and are complemented by integrated ski loops.
Rain cover and internal organizer
Within the backpack, you’ll find an organizer featuring a mesh pocket and a dedicated compartment for a water reservoir compatible with a hydration system. A concealed rain cover is stashed in the double bottom, providing reliable protection for both the backpack and its contents during rain or snowfall.
Main features
- 40-liter capacity
- crafted from robust Cordura fabric
- equipped with certified Duraflex and ITW Nexus buckles
- features a sleeve with drawstrings for expandable storage
- integrated MOLLE/PALS attachment system
- external mounting straps with buckles for additional gear
- side pockets include ski loops
- fitted with an ergonomic SAS carry system
- OpenBack system ensures access to the main compartment from the rear
- Adjustable hip and chest straps for customized fit
- Rain cover concealed within the double-layered bottom
- internal organizer and designated hydration insert compartment
Militaria.pl is the exclusive distributor of Wisport
Wisport is a Europe-based brand producing exclusively within the European Union, delivering trusted quality and accountable manufacturing. With over 30 years of experience, the company specializes in high-quality backpacks and outdoor equipment. The company has gained recognition among survival and tourism enthusiasts as well as professionals from the army, uniformed services and rescue services. Wisport products are distinguished by their solid workmanship, modern designs and the use of proven technologies. The brand's backpacks are created in cooperation with specialists, thanks to which they offer well-thought-out solutions, such as FAS+ carrying systems, durable materials such as Cordura®, and waterproof protective coatings. The offer includes tactical, trekking, and urban models, adapted to the diverse needs of users.
| Color/camouflage | Black |
|---|---|
| Main compartments fastening | Flap + drawstring cord |
| Dedicated laptop pocket | No |
| Molle/pals compatible | Yes |
| Mesh spacer | Yes |
| Number of compartments | 1 |
| Dimensions | 600 x 280 x 240 mm |
| Capacity | 40 l |
| Number of pockets | 3 |
| Main color | Black |
| Main material | Cordura |
| External equipment attachment option | Yes |
| Compatible with hydration system | Yes |
| Raincover | Yes |
| Waist strap | Yes |
| Chest strap | Yes |
| Weight | 2050 g |
| EAN | 5902431604633 |
| Brand | Wisport |
| EAN |
The velcro panel is an area with sewn-on Velcro tape that allows easy attachment of various additional items, such as patches or pockets.
Cordura is a material woven from durable nylon fibers, developed by DuPont. The structure of the material provides lightness and abrasion resistance, as well as weather resistance. Due to its properties, Cordura is widely used in tactical equipment.
SAS Ergonomic Military (Semi Adjustable System) is a semi-adjustable carrying system that provides a proper fit for the user and increases the comfort of the backpack by relieving pressure on the spine and shoulders. The system consists of, among other things, profiled adjustable shoulder straps with a quick-release system, an adjustable chest strap, a partially adjustable waist belt and an ergonomic frame design. All the components are made of materials with high durability and resistance to harsh use.
The OpenBack system is a solution that allows access to the backpack's interior through an integrated, zippered perimeter located around the back panel. This allows efficient and easy access to the contents carried deep inside the backpack, without having to open the flap.
MOLLE (Modular Lightweight Load-carrying Equipment) is a system for attachment of tactical equipment, used for example in backpacks or tactical vests. It provides the possibility of flexible and modular placement of various accessories and pockets, which allows personalization and optimal adjustment of the item to the specific needs of the user. It is widely used by the military, special services and survival and outdoor enthusiasts.
High-quality buckles and fasteners distinguished by their durability and reliability. Made of durable materials such as nylon or polyamide, used in products that require a solid and secure fastener, providing security and comfort.
Duraflex buckles are a type of high-quality buckles and fasteners made of durable materials such as polyamide or polypropylene. They are weatherproof, UV-resistant and resistant to mechanical damage. Duraflex are used for fastening and adjusting in backpacks, bags, clothing and military equipment, providing reliable and durable fastening solutions.
Reviews with photos
Review summary
Number of reviews: 30
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Great backpack - durable, very comfortable and roomy. Even when fully loaded, it was super comfortable all day in the winter Tatra mountains. The side pockets allow you to fit an Esbit thermos even when the backpack is full. The back access system is average in my opinion - a cool idea, but you have to unclip 5 buckles and a zipper to get in, which is inconvenient.
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I spent a long time considering a backpack that was intermediate between small and large, and I chose the Silverfox II. It was a bullseye. Sturdy - construction and materials. It fits well on the back. You can attach pouches (including on the hip belt, which was important to me). The back opens, not the front like in many other backpacks, so if you want to access something deep inside, you don't lay the backpack down with the 'back side' on the ground and won't get dirty putting it on again. Thanks to the chimney extension, adjustable flap, and the straps on the flap, under the bottom, and on the sides, you can take much more than its nominal capacity allows. I'd give 6 stars if I could.
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A very well-made backpack (I didn't expect anything less from Wisport). Well thought out, and its opening back panel makes it easy to access the interior without creating a mess. The inside also has a nice organizer and an option to mount a hydration bladder. On the outside, there are many options for attaching additional equipment. So far, I've used it several times outdoors, and it's a very comfortable backpack that offers plenty of space. I recommend it.
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Very well made, spacious and comfortable. I have been using it every day for several months and it works great.
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It really gives the impression of being very solidly made. Great functionality - extra pocket at the top, possibility to open like a suitcase, drawstring closure that allows the backpack to be expanded, many options to attach gear, internal organizer with Velcro, decent hip belt, side pockets for bottles.
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Nice small backpack for mountain trips. Cordura makes it a tank-like, military-style gear. Many molle straps allow you to attach a large number of additional pouches.
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A backpack of very good quality as expected from Wisport. It seems to be indestructible equipment. A big advantage is the ability to open the backpack in such a way that all its contents are accessible. I replaced my Sparrow II 30l with this, along with additional pockets, and I can fit all my gear without any issues. Good option for BOBA (also in terms of color).
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The best backpack you can get yourself. Spacious, durable, indestructible. This backpack is better than Chuck Norris and would survive even more. Additionally, the warranty offered by the manufacturer makes this a purchase that will last you a lifetime. I am delighted with the quality of these backpacks and the attention to detail in their craftsmanship. If I accidentally destroy this one, I will buy the same model again. Highly recommended.
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Great backpack, comfortable to wear, very spacious. The option to access the contents by opening the back of the backpack is a great feature. I recommend it.
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Very good backpack offering great possibilities.
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Functional backpack made of good quality material. Just right for short trips outdoors.
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A solid backpack with the option to purchase dedicated pockets or pouches. Good warranty.
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This is already my second identical backpack. Very good quality for the price. The backpacks never fail. From civilian use, to camping and tactical activities. This backpack keeps up with my very intense lifestyle :D 10 stars with a clear conscience :D
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I recommend it, very roomy, comfortable, ideal for the forest and also for trips.
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