Military Camping | Sleeping BagsSurplusSold by Sportsmans Guide

Surplus

U.S. Military Surplus IMSS Patrol Sleeping Bag Used

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Outer Bag

Component of the U.S. Military

Updated Post-2007

Improved version

Usable Its

Own for comfort in moderate

Can Be

The original issued inner ICW

Water-resistant Ripstop

Nylon construction

$99.99
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SKU: WX2*0713762

Overview

Built as the outer component of the Modular Sleep System, this patrol bag is intended for hunters and outdoorsmen who want a military surplus sleep option that can be used on its own or paired with the original issued inner ICW bag, which is not included. The updated post-2007 version is described as comfortable in moderate temperatures from +50°F to +30°F, with the system reaching down to -30°F when combined as issued. It includes water-resistant ripstop nylon, reversible double pull sliders for adjustable ventilation, and an adjustable hood with drawcord and barrel lock. As surplus gear, it may show a DRMO ink stamp, so buyers should expect used-condition character rather than a pristine retail finish.

Why Hunters Choose the Surplus

Updated Post-2007

Version of the U.S. Military

Usable Alone

For moderate temperatures from +50°F

Can Be

The issued inner ICW bag

Water-resistant Ripstop

Nylon adds practical weather protection

Reversible Double

Pull sliders allow adjustable ventilation

Key Features

  • Outer bag component of the U.S. Military MSS Modular Sleep System.
  • Updated post-2007 improved version.
  • Usable on its own for comfort in moderate temperatures from +50°F to +30°F.
  • Can be combined with the original issued inner ICW bag for use down to -30°F.
  • Features water-resistant ripstop nylon construction.
  • Includes reversible double pull sliders for adjustable ventilation and an adjustable hood with drawcord and barrel lock.

Best Used For

  • Hunters needing a standalone patrol bag for moderate temperatures between +50°F and +30°F.
  • Users building a modular sleep system with the original issued inner ICW bag.
  • Campers who want adjustable ventilation from reversible double pull sliders.
  • Outdoor users who prefer an adjustable hood with drawcord and barrel lock.
  • Buyers comfortable with used surplus gear that may have a DRMO ink stamp.

Specifications

ComponentOuter bag
Drmo Ink StampMay have DRMO ink stamp
HoodAdjustable hood with drawcord and barrel lock
MaterialWater-resistant ripstop nylon
Product TypeSleeping Bag
SystemMSS (Modular Sleep System)
Temperature Rating Standalone+50degF to +30degF
Temperature Rating With Inner Icw Bag-30degF
VentilationReversible double pull sliders
VersionUpdated post-2007 improved version

Pros

  • Updated post-2007 version of the U.S. Military MSS Patrol Bag.
  • Usable alone for moderate temperatures from +50°F to +30°F.
  • Can be paired with the issued inner ICW bag for colder conditions.
  • Water-resistant ripstop nylon adds practical weather protection.
  • Reversible double pull sliders allow adjustable ventilation.
  • Adjustable hood includes a drawcord and barrel lock.

Considerations & Trade-offs

  • This is the outer patrol bag only; the original issued inner ICW bag is not included, so the full MSS setup requires a separate component.
  • Comfort is stated for moderate temperatures of +50°F to +30°F on its own, so it is not presented as a standalone cold-weather bag.
  • As a used military surplus item, condition may vary and some units may include a DRMO ink stamp.
  • The adjustable ventilation and hood add flexibility, but they also mean the bag is designed for adaptable use rather than a fixed, fully sealed configuration.

Suggested Comparisons

  • Military surplus sleeping bags
  • Modular sleep systems
  • Cold-weather sleeping bags
  • Camping sleep bag liners

Suggested Accessories

  • Sleeping pad
  • Sleeping bag liner
  • Compression sack
  • Stuff sack

Frequently Asked Questions

What exactly is this sleeping bag in the MSS system?

It is the outer patrol bag component of the U.S. Military MSS (Modular Sleep System), specifically the updated post-2007 improved version.

Can this bag be used by itself, or does it need the inner bag?

It can be used on its own for comfort in moderate temperatures of +50°F to +30°F. The original issued inner ICW bag is not included here, but when combined with that inner bag, the system is described as suitable down to -30°F.

What ventilation and fit adjustments does it have?

The bag includes reversible double pull sliders for adjustable ventilation and an adjustable hood with a drawcord and barrel lock.

What material is listed for the bag?

The source data lists water-resistant ripstop nylon.

Is there anything a buyer should know about surplus condition or markings?

Yes. The product note says it may have a DRMO ink stamp, and it refers buyers to Additional Product Information for removal instructions.