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Mil-Tec US Military Modular Sleep System

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Original price £119.99
Original price £119.99 - Original price £119.99
Original price £119.99
Current price £109.99
£109.99 - £109.99
Current price £109.99

Based on the US Military Tennier Industries Military Modular Sleep System, Mil-tec have created a stunning replica of the original. This 4 season sleeping bag has an extreme rating of -20°C and weighs only 3.3kg. This winter sleeping bag is perfect for the European or North American winters. Both military sleeping bags can be put into one compression bag which makes it easy to transport. 

Features Include:

  • Transportation bag: 100% Polyester (Oxford)
  • Pack size: 56 x 32 x 35 cm
  • Weight: 3.310 g
  • 4 season sleeping bag
  • Extreme -20 °C 

Patrol Bag (Green Light Weight) Features:

  • Upper: 100% Polyester
  • Water-repellent ripstop fabric
  • Lining: 100% Polyester
  • Filling: 100% Polyester (150 g/qm)
  • Dimensions: 217 x 80 x 50 cm
  • Weight: 1.240 g

Intermediate Cold Weather Bag (Black Medium Weight) features:

  • Upper: 100% Polyester
  • Water-repellent ripstop fabric
  • Lining: 100% Polyester
  • Filling: 100% Polyester (200 g/qm)
  • Dimensions: 200 x 80 x 50 cm
  • Weight: 2.070 g

What you get as part of the Modular System:

  • 1 x Patrol Bag (Green Light Weight) = 2 season
  • 1 x Patrol Bag (Black/Grey Medium Weight) = 3 season
  • 1 x Compression Sack


United Kingdom 

Under 2kg:
Standard Delivery (2-4 days) - £3.50
Express Delivery (1-2 days) - £4.50
Next Day - £4.99

Over 2kg:
Next Day - £4.99

Saturday Delivery:
Saturday Delivery - £6.99
Saturday Before 1pm - £9.99

Rest of the world
UPS or Fed-Ex - Calculated on checkout 

Next Day Delivery
Orders must be made before 1pm for next day delivery.
Orders made after 1pm on Thursday will arrive on Monday (unless Saturday delivery chosen)
Orders made after 1pm on Friday will be shipped on Monday. 

For more information on shipping please see our shipping policy HERE


To obtain a return label if you live on the UK mainland please CLICK HERE. If you are unable to generate a returns label please email us at Please check your spam folder for replies from us. 

If returning an item for a refund we charge £3 for the return label which is taken from the refund amount. 

If you want to exchange your order please send the item/items back for a refund and make a new order for the items you would like

We accept returns / exchanges from 30 days of the order date. Items must be in original condition to be accepted for returns. A refund is given within 1-2 days of receiving the returned item. 

International order must arrange thier own return postage which is non-refundable. 

Mailing Bags

  • Small items - Paper mailing bags
  • Larger items - Biodegradable sugarcane bags 
  • Very large items - Cardboard boxes

Packing Tape

  • Small items - Gum tape / Kraft Tape (biodegradable)
  • Larger items - Kraft Tape (biodegradable)

If you buy any of our army surplus products then all the packaging will be plastic free. With army surplus you minimise the environmental impact of producing new clothes and reduce plastic waste. 

With our new items there may be plastic packing which comes from the supplier themselves. 

Although we are not totally plastic free (but pretty close) our goal is to reduce our plastic waste as much as possible and will continue to do so going into the future.

Customer Reviews

Based on 2 reviews
Mark Steptoe
Sleep system

Used sleep system for 3 nights , temperature ranged from 2 to 7 ⁰c at coldest part of night , was very cosy and even comfortable in just light bag , very good quality though could do with better compression bag