Pre Order Now. SHIPS NOVEMBER 16

British Military Mediumweight Modular Sleeping Bag

$84.99

Genuine British military mediumweight modular sleeping bag in Grade 1 condition. Designed for cooler autumn and winter conditions and compatible with the British modular sleep system.

Pre-order item: Ships November 16, 2026. Orders placed now will be charged at checkout.

Country: United Kingdom

Surplus Grade: Grade 1

Availability: Available for pre-order

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A genuine British military mediumweight sleeping bag from our UK military surplus range, designed as part of the modern modular sleep system. It can be used independently or combined with compatible modular components to create a more adaptable sleeping setup as conditions change.

As a former Royal Marines Commando, I personally used this type of military sleeping system in some extremely testing environments. Reliable sleeping equipment is not simply about comfort, proper rest can make a significant difference to your recovery, concentration and ability to function outdoors the following day.

The modular sleeping system is well regarded among British military personnel for its warmth, durability and adaptability. Like much of the best military equipment, its strength is dependable field performance rather than ultralight packability. This mediumweight bag offers a straightforward and durable foundation for a cooler-weather sleeping system without unnecessary complexity.

Who’s it for?

  • Autumn and winter camping
  • Bushcraft
  • Base camps and field use
  • Hunting trips
  • Overlanding and vehicle camping
  • Emergency preparedness
  • Vehicle emergency kits

Why I recommend it:

From my own experience, dependable sleeping equipment is one of the most important parts of an outdoor setup. This bag offers the durable construction and adaptable modular design I value in genuine military surplus. It is particularly well suited to enthusiasts who prioritize proven field equipment over minimum weight.

Key features:

  • Genuine British military surplus
  • Modern mediumweight design
  • Part of the British modular sleep system
  • Suitable for independent or modular use
  • Designed for cooler conditions
  • Durable military construction
  • Supplied in Grade 1 condition

Muster Point Note:

My recommendation is based on personal experience with this type of British military sleeping system, not each individual surplus bag. Warmth and comfort depend on the user, weather, clothing, shelter, ground insulation, other system components and the condition of the equipment. No specific temperature rating is guaranteed.

Weight 4.9 lbs
Dimensions 18 × 10 × 10 in

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Upper-Body Sizing Guide

Measure around the fullest part of your chest while wearing light clothing. These are wearer body measurements, not the garment’s flat width. Letter sizes are approximate MPO equivalents; use the original military size and product fit notes first. Inch values are converted from centimetres and rounded to one decimal place. If your measurement falls between the listed ranges, check the product’s exact size and fit notes.

Approx. sizeChest (in)Chest (cm)
Small34.6–37.488–95
Medium37.8–40.696–103
Large40.9–43.7104–111
X-Large44.1–46.9112–119
2X-Large47.2–50.0120–127
3X-Large50.4–53.1128–135
4X-Large53.5–56.7136–144

Choose height separately from chest size

Military upper-body size = wearer height / wearer chest, in centimetres. Small, Medium, Large and XL describe approximate chest size only. They do not specify height. Two jackets can both be Medium but have different lengths for different wearer heights.

Height code (cm)Approx. wearer height (ft/in)
1504 ft 11 in
1605 ft 3 in
1705 ft 7 in
1805 ft 11 in
1906 ft 3 in
2006 ft 7 in

Feet/inches are rounded to the nearest inch. These are label height codes, not fixed height ranges. Check both your height and chest against the selected garment, and follow its fit notes.

Example: 160/96 and 170/96 both indicate a 96 cm (37.8 in) wearer chest — approximately Medium in this guide. The 160/96 is for a 160 cm wearer (about 5 ft 3 in); the 170/96 is for a 170 cm wearer (about 5 ft 7 in).

Reading a military size: On an upper-body label such as 190/110, 190 is wearer height in centimetres (about 6 ft 3 in) and 110 is wearer chest circumference (43.3 in; approximately Large in this guide). For garment measurements, pit-to-pit is the flat width across the chest; twice that width gives the garment circumference, not the wearer’s chest size.

View the full UK/US Sizing Guide

Combat Trousers / Pants Sizing Guide

Measure around your natural waist while wearing light clothing. These are wearer body measurements, not the garment’s flat width. Letter sizes are approximate MPO equivalents; use the original military size, leg measurement and product fit notes first. Inch values are converted from centimetres and rounded to one decimal place. If your measurement falls between the listed ranges, check the product’s exact size and fit notes.

Approx. sizeWaist (in)Waist (cm)
Small29.9–32.776–83
Medium33.1–35.884–91
Large36.2–39.092–99
X-Large39.4–42.1100–107
2X-Large42.5–45.3108–115
3X-Large45.7–48.4116–123

Check the leg length as well as the waist. Where a military label has several numbers, follow the measurement order explained on the individual product. A laid-flat waist measurement is garment width; doubling it gives garment circumference, not the wearer’s waist size.

View the full UK/US Sizing Guide

Condition

What to Expect

New

Brand-new commercial outdoor gear, accessories or equipment that has not been previously owned or used. It may arrive in the manufacturer’s original packaging, but packaging is not guaranteed. New products are not military surplus and are therefore not assigned a surplus grade.

Grade 1 - Excellent

Good used service condition. Fully serviceable with light-to-moderate signs of use.

Grade 2 - Good

Serviceable used condition with more obvious wear, fading, markings, repairs or cosmetic imperfections.

Grade 3 - Fair / Serviceable

Heavily used but still serviceable for its stated purpose. Significant wear, repairs, fading or cosmetic defects should be expected and clearly described.

Please note: “New” refers to brand-new commercial products and is separate from our military-surplus grading system. Grades 1–3 apply only to genuine military surplus. Surplus items may vary in appearance due to previous issue, use or storage, and significant condition issues will be disclosed in the product description. For full details, view our Product Condition Guide.