Outdoor Research Zip Sack


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Zipper access makes it easy to grab a fresh pair of socks or a warm hat without unloading your entire pack in the middle of the trail. The Outdoor Research Zip Sack features ripstop nylon for superior durability and 3 sizes to choose from.


  • Ripstop nylon main body
  • Ripstop siliconized nylon sidewalls
  • Water-resistant top zipper
  • Webbing side handles
  • Bound seams for durability
  • Size small dimensions: 8 x 5 x 4 in, 20 x 13 x 10 cm
  • Size medium dimensions: 10 x 6 x 5 in, 25 x 15 x 13 cm
  • Size large dimensions: 12 x 7 x 6 in, 31 x 18 x 15 cm
  • Size small volume: 244 cu in, 4 liter
  • Size medium volume: 427 cu in, 7 liter
  • Size large volume: 915 cu in
  • Size small weight: 1.3 oz, 37 g
  • Size medium weight: 1.4 oz, 40 g
  • Size large weight: 1.9 oz, 54 g

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Review Summary

4.7 out of 5

11 Reviews

  • Great design: 7
  • Performance: 5
  • Build quality: 4
  • Ease of use: 4

  • Cost: 2
Durability: 5 / 5
Quality: 5 / 5
Function: 4.6 / 5
Water Protection: 3.5 / 5

11 Ratings & Reviews

Function: 4 / 5
Quality: 5 / 5

Everyday Use
December 22, 2010

I have really enjoyed this item, it has proven very useful to me in every day travel for my job. I also like the fact that if you have an item in the bag and it leakes it is contained in the bag not absorbed by your cloth's in the suitcase.

Pros: Great design, Build quality, Performance
Function: 4 / 5
Quality: 4 / 5
WaterProtection: 3 / 5

from Lawrence, KS
55-64 yrs

Good All-Around Storage Sac
February 12, 2012

This is a great ditty type sack that will hold gear, electronics, small clothes items, etc... I also use them to pack travel snacks. They are well designed and the zip top makes them very easy to access the contents. The other nice thing is their compactness when empty. They stow away using very little space. They are great stuff sacks for backpacking or general travel.

Pros: Great design, Build quality, Performance, Ease of use
Durability: 5 / 5
Quality: 5 / 5

Help keep you organized
June 02, 2012

I really like this bag because it helps me keep my backpack organized. I use it to stash items like sunscreen, hand sanitizer, baby wipes, etc. for quick access while on the trail. Unlike stuff sacks, it has a zippered opening and all of your items are not stacked up making it hard to go through them. Another great product from OR.

Pros: Great design, Performance, Great value

Very Handy
February 02, 2010

With its wide zipper, it allows easy access and viewing of items. You dont need to dig thru items to detemine if its in this sack as opposed to different sack. But it does not fold and condense like stuff sacks.

Very satisfied with the product
January 08, 2010

Easy to fill, zipper works well and fits easily in pack. I use for trek and base camp gear. The ability to see what is in the bag and easily open and close it is an advantage over regular stuff sacks.

Function: 5 / 5
Quality: 5 / 5

from Arlington, VA
35-44 yrs

Very functional
April 13, 2011

I use this for my travel toiletry bag, and it fits my toothbrush, soap, razor, and sundries without any problems. The see-through portion is nice, and it is definitely waterproof -- enough to protect against any leaks although the zipper is not completely waterproof. Other than the slightly steep price, there are really no complaints here. I will certainly buy another when the time comes. Outdoor Research makes great sacks and ditty bags.

Pros: Great design, Build quality, Performance, Ease of use, Cons: Cost

they're great...
March 29, 2010

they are made well and long lasting. i use these sacks for everything from my camera equipment to storing my jackets. a must have for any one, adventurer or not.

Function: 5 / 5
Quality: 5 / 5

Highly recommended
July 09, 2011

I purchased the S, M, and L sizes. Each has it's use. The S keeps the small items together in my backpack, the M is just right for a couple days of food, and the L accommodates my smaller clothing items. The zippers on these sacks make it very convenient to search for the item you're looking for. I highly recommend these to keep the items organized in your backpack and will purchase more rather than something else if the need arises.

Pros: Great design, Performance, Ease of use
Function: 5 / 5
Quality: 5 / 5
WaterProtection: 4 / 5
from CT
45-54 yrs

January 16, 2012

Great design, like the zips open on top. More versatile and cheaper than traditional sacks. Folds up tight so doesnt take much space. The zipper is tough and easy to operate. Works great as a food bag too. I'm surprised in a good way how little smell it retains.

Pros: Great design, Ease of use, Great value
Function: 5 / 5
Quality: 5 / 5

25-34 yrs

April 03, 2012

I love this thing! I use it for general storage in a pack with no extra pockets or any kind of small storage. The material is tough a nails and should last a lifetime! I got the small a basically keep a little survival kit in it and whatever else small I need at the time.

Pros: Great design, Build quality, Lasts forever, Cons: Cost
Durability: 5 / 5
Quality: 5 / 5

from Phoenix,AZ.
Over 65 yrs

The hygiene bag!
June 03, 2013

The bag for your toiletry items (hand soap,shaving cream,razor,toothbrush,toothpaste,whatever).Looking for your car keys?Look in this bag,it tends to catch everything!If you're looking for a flat bottom,take a piece of stiff cardboard or vener plywood and make one.

Pros: Great design, Build quality, Performance, Ease of use, Great value

Also Available

Outdoor Research Zip Sack Photo

Alloy/ Pewter and Lemongrass/ Leaf.

Available sizes, while supplies last, include size small, size medium and size large: s, m, l.

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