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REI Sub Kilo +20 Sleeping Bag - Regular

REI Sub Kilo +20 Sleeping Bag - Regular

Item # 731678
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This item is currently sold out or unavailable online.

For your reference, this page contains historical product information.

This compressible three-season bag doesn't compromise warmth or durability—great for backpackers and ultralight adventures.

  • Features premium 750 fill-power goose down insulation, a downproof polyester ripstop shell and a soft polyester taffeta lining
  • Vertical Baffle construction allows the goose down to remain fully lofted and keeps it from shifting and migrating, preventing cold spots
  • Contoured hood, roomy foot box, full-length, locking zipper, full-length draft tube and muffler all keep body heat in, cold air out
  • Internal pocket keeps all your essentials--headlamp, watch, glasses--right at hand and easy to find in the dark
  • Differentiated drawcords (one round, one flat) let you adjust hood and neck easily in the dark
  • Pad loops provide attachment points to keep your sleeping bag and pad together to avoid rolling off onto the cold ground (straps sold separately)
  • Efficient slim cut keeps the weight down
  • Comes with stuff sack and large cotton storage bag

Imported.

Item 731678

REI Sub Kilo +20 Sleeping Bag - Regular Specs

Specification

Description

Temperature rating (F)20 degrees Fahrenheit
Temperature rating (C)-7 degrees Celsius
Average weight29 ounces
Average weight - metric0.82 kilograms
ShellRipstop polyester
Fill750-fill goose down
LiningPolyester taffeta
Fits up to6 feet
Shoulder girth57 inches
Hip girth53 inches
Stuff sack size7.5 x 15 inches
Sleeping bag shapeMummy

REI Sub Kilo +20 Sleeping Bag - Regular Customer Reviews

REVIEW SNAPSHOT®

by PowerReviews
REI Sub Kilo +20 Sleeping Bag - Regular
 
3.6

(based on 40 reviews)

74%

of respondents would recommend this to a friend.

Pros

  • Lightweight (38)
  • Stows easily (34)
  • Adjustable hood (21)
  • Warm (20)
  • Great zipper system (9)

Cons

  • Not warm enough (15)
  • Zipper snags easily (15)

Best Uses

  • Backpacking (32)
  • 3 season camping (29)
  • Car camping (11)
  • Reviewer Profile:
  • Avid adventurer (29), Casual adventurer (12)
  • What Is Your Gear Style:
  • Minimalist (13), Comfort driven (4)

Reviewed by 40 customers

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Mar

6

2008

(6 of 6 customers found this review helpful)

 
2.0

Great price and Light weight misleading

By Hikeaz

from Phoenix, Az

About Me Avid Adventurer

Site Member

Pros

  • Adjustable Hood
  • Includes compression bag
  • Lightweight
  • PACKS SMALL

Cons

  • Not Warm Enough
  • Too narrow for most
  • Zipper Snags Easily

Best Uses

  • 3 Season Camping

Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

I know you are thinking this bag is so light for the price and you are right, but that light weight comes at a price...the very narrow cut of the bag. I have pretty typical girth for an adult male, 42" chest and 51" shoulders. I have found that I can't sleep in anything less than a 60" girth. I don't know why I need 9" of extra girth but it feels adequately tight. What I felt in this bag in the store was that it was unusually snug. I didn't realize that what was happening was that the snugness was compressing the down around my torso. When I tried it out on a cold night, I found that I was cold around 30 F, and that was with a liner. This wasn't due to Rei skimping on the down, but the fact that I was too wide in the shoulders to allow the down to fully loft and insulate. The funny thing is that there are alot of reviews here that mention this bag not being warm enough, and I wonder if it was for the same reason that I was cold in it...because the cut was too snug for them.

Keep it mind. Figure out your prefered cut, so you know easily if it is worth it to even look at a particular bag.

  • What Is Your Gear Style:
  • Minimalist

Bottom Line No, I would not recommend this to a friend

(6 of 6 customers found this review helpful)

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Jul

13

2008

(3 of 3 customers found this review helpful)

 
3.0

Nice, light summer bag, not warm enough

By electropal

from Seattle

About Me Avid Adventurer

Site Member

Pros

  • Lightweight
  • Stows Easily

Cons

  • Not Warm Enough

Best Uses

  • Summer low-elevation

Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

This is a really nicely made, lightweight bag. However, it is not warm enough for cold conditions. Certainly not near 20 degrees! I am a small and light person, 5'8" 136lbs, and had no problem with the size as other have reviewed here, but no way is it a freezing and below bag. I start to get cold around 40 and have to add clothing to stay warm. I might make it through the night at freezing with heavy clothing, but that should not be necessary. I heard they are redesigning this bag. You might want to wait until then.
As far as size, weight and packability, I found it completely satisfying.

  • What Is Your Gear Style:
  • Minimalist

Bottom Line No, I would not recommend this to a friend

(3 of 3 customers found this review helpful)

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Aug

19

2008

(1 of 1 customers found this review helpful)

 
4.0

Nice bag

By wndsrfross

from Memphis, TN

About Me Avid Adventurer

Site Member

Pros

  • Adjustable Hood
  • Lightweight
  • Stows Easily
  • Warm

Cons

  • Too snug for most

Best Uses

  • 3 Season Camping
  • Backpacking
  • Car Camping

Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

I purchased this bag to upgrade from my TNF Blue Kazoo(20* 3 lb 600 fill)that I have used for 15 years. I was attracted to the weight saving aspect and price of the Sub Kilo. I am 5'10" 160lbs and a warm sleeper. The Sub Kilo for the most part is a well made bag. Like other users, I found the bag a little snug but with my slender build I have no problems with the fit (I can see where others do).On cold mornings I usually get dressed in my bag but the slender cut does not allow me to put my pants on without unzipping the bag. The zipper does snag on occasion but not as much as other bags I have used. I have slept comfortable in temps in the upper 20's and comfortable in the lower 20's with a short sleeve t-shirt. The coldest temps I have used the bag is 15* and I wore heavy-weight long johns top and bottoms and slept fine. If the girth was expanded 2"-3" this would be an ideal 3 season bag.

  • What Is Your Gear Style:
  • Comfort Driven

Bottom Line Yes, I would recommend this to a friend

(1 of 1 customers found this review helpful)

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Jul

18

2008

(1 of 1 customers found this review helpful)

 
4.0

This IS a good bag

By Effman

from Harrisburg, PA

About Me Casual/ Recreational

Pros

  • Lightweight
  • Stows Easily
  • Warm

Cons

  • Zipper Snags Easily

Best Uses

  • Backpacking

Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

The first time I used this bag was January of this year. The temperature dropped to 18F and I was using a bivy and did not get cold. I did not have to use multiple layers of clothing to keep warm either. I agree with other reviewers that it might be a little tight but for the comfort of carrying such little weight in my pack allowing me to carry other necessities it is well worth it

  • What Is Your Gear Style:
  • Minimalist

Bottom Line Yes, I would recommend this to a friend

(1 of 1 customers found this review helpful)

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Feb

23

2008

(1 of 1 customers found this review helpful)

 
2.0

Too narrow

By Graybeard

from Ooltewah, TN

About Me Avid Adventurer

Site Member

Pros

  • Great Zipper System
  • Lightweight
  • Stows Easily

Cons

  • Not Warm Enough
  • Too Narrow

Best Uses

  • 3 Season Camping
  • Backpacking
  • Car Camping

Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

Its 57" shoulder width is too narrow for a man who buys large [*], etc. Its marginal if one sleeps pertectly still but it has to roll with you hence the pad loops are useless. Arm movement is restricted to below mid chest without a tight squeese up to your shoulders.The bag sleeps cold. Its probably more like a 25-30 degree rating which is ok for the weight but you can't really wear laying in the bag; its just too narrow.

  • What Is Your Gear Style:
  • Comfort Driven

Bottom Line No, I would not recommend this to a friend

(1 of 1 customers found this review helpful)

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Feb

1

2008

(1 of 1 customers found this review helpful)

 
4.0

Nice, light and tiny.

By Nature > All

from Atlanta, GA

About Me Avid Adventurer

Site Member

Pros

  • Adjustable Hood
  • Lightweight
  • Stows Easily
  • Warm

Cons

    Best Uses

    • 3 Season Camping
    • Backpacking

    Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

    I like this bag a lot, and I have had several bags over the years. I am a very slim, tall woman at exactly 6' tall and I am wishing that I had bought the 6'6'' version but I am plenty comfortable in this bag and do not plan on exchanging it (save the weight!) If you are not fairly slim I would recommend getting a wider bag.

    I am an extremely warm sleeper, so even in 10-20 degree weather at moderate elevation I have been quite satisfied. This is coming from someone who has taken her 35 degree Western Mountaineering bag into low twenties weather and slept well, so take that into account.

    A lot of people here complained about the zipper snagging, but I believe that REI has corrected this with a thin strip of fabric that runs along next to the zipper. I had to try pretty hard to get it to snag just testing out the zipper and have had no trouble with it in the field.

    To sum up: I don't think there is a better ultralight down bag for the low price of this one, and the color is very pretty!

    • What Is Your Gear Style:
    • Minimalist

    Bottom Line Yes, I would recommend this to a friend

    (1 of 1 customers found this review helpful)

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    Sep

    12

    2007

    (1 of 1 customers found this review helpful)

     
    2.0

    Nice bag, but no +20

    By kledou1

    from Ballard, WA

    About Me Avid Adventurer

    Site Member

    Pros

    • Great Zipper System
    • Lightweight
    • Stows Easily

    Cons

    • Not Warm Enough
    • Too Narrow

    Best Uses

    • Backpacking

    Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

    I have been amazed at the compressibility of this bag and it's light weight. It squeezes down to fit in most any pocket of my pack.
    The down side is, well, the down. It is rated for 20+ but I have to say that on several outings where the temp has touched the freezing point, I have had to wear full thermal layering while trying to get some sleep. Cold nights also require a full zip on this bag which will drive anyone with the slightest claustrophobia nuts. This bag is built for that Skinny Fit dude you see running in the rain, not for me. zero shoulder room and arms plastered to the sides. Works fine if you're exhausted, I suppose.

    Bottom Line No, I would not recommend this to a friend

    (1 of 1 customers found this review helpful)

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    Aug

    30

    2007

    (1 of 1 customers found this review helpful)

     
    3.0

    Not bad, but not for 20F

    By michael

    from Dallas, TX

    Site Member

    Pros

    • Adjustable Hood
    • Great Zipper System
    • Lightweight
    • Stows Easily

    Cons

    • Not Warm Enough
    • Optimistic temp rating

    Best Uses

      Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

      This is my first down bag, and I am amazed at the compressibility. I like the design of this bag. The full length zipper is nice, and I find the dimensions comfortable (I am 5'10" and 165lbs - slight bulge around the middle). However, the 20F rating is very optimistic in my experience. I am usually a pretty warm sleeper, and I found this bag *just* adequate in 30F over a RidgeRest pad.

      Any recommendation would be very conditional. If I had to do it over again, I would research more thoroughly before committing to this bag.

      (1 of 1 customers found this review helpful)

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      Nov

      24

      2008

       
      1.0

      35 degree bag at best

      By Stevo

      from Atlanta

      About Me Avid Adventurer

      Pros

      • Adjustable Hood
      • Lightweight
      • Stows Easily

      Cons

      • Not Warm Enough
      • Zipper Snags Easily

      Best Uses

      • Car Camping

      Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

      I was very disappointed in this bag after using it in 40 degree weather. I thought it would be the perfect companion to use on my Grand Canyon trip where the nights were only expected to dip into the low 40's to upper 30's. I was cold every night. I had to wear long underwear and an insulated top with a hat to be slightly warm and even then, my feet were freezing. That foot box is almost devoid of insulation.

      I've been doing this for 35 years and I've never had a bag that was rated so poorly. When a bag is rated at 20 degrees, it shouldn't be a challenge to stay warm at 40! In fact, I've had SD and TNF bags in the past that were OVER rated such that I could count on the bag to take me 5 degrees lower than rated. Not so with this little wonder.

      I have to wonder what is the cause of this problem.

      I'm taking it back to trade in for something else like a Marmot or Mountain Hardware.

      • Gift:
      • No
      • What Is Your Gear Style:
      • Minimalist

      Bottom Line No, I would not recommend this to a friend

      Was this review helpful? Yes / No

       - You may also flag this review

      Please let us know what kind of issue this is:

      Nov

      18

      2008

       
      5.0

      great lightweight bag

      By ben wood

      from NM

      About Me Casual Adventurer

      Site Member

      Pros

      • Adjustable Hood
      • Lightweight
      • Warm

      Cons

        Best Uses

        • 3 Season Camping
        • Backpacking

        Comments about REI Sub Kilo +20 Sleeping Bag - Regular:

        i bought this bag at a sale this summer, it was replacing a 35 deg. bag. any how i just got back from my first overnight with it. the expected low was 30, but turned out to be more like 15. i stayed nice and toasty. the weight is great, you sacrifice a little girth to keep the weight down, but it fits me well. that night was one of the few that i wasn't the first one up and getting ready, it was really comfy. the hood fit and cinched very well. overall great bag.

        • Gift:
        • No
        • What Is Your Gear Style:
        • Minimalist

        Bottom Line Yes, I would recommend this to a friend

        Was this review helpful? Yes / No

         - You may also flag this review

        Please let us know what kind of issue this is:

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