UrSack
Major XL
Major XL
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The Ursack Major XL bear bag is a larger version of our classic Major and holds about 50% more food than its smaller sibling. At 8.8 ounces, our Major XL bear bag is still more lightweight than a traditional bear canister and prevents bears from getting your food in their territory.

- Certified Bear Resistant
- Weight: 8.8 oz
- Dimensions: 12.5"x22"
- Capacity: about 15 Liters (approx. 7+ days of food for 1 person)
- Cord: 6 foot–high tensile strength with reflective tracer
- Reflective Exterior Tag for increased visibility at night
- Recommend Odor Barrier Bag (OPSak 12 x 20), designed to be used inside the Major XL for additional protection. One OPSak will work if not overstuffed, otherwise, use two.
- Collapsible and easy to store
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I have been using my bag for 6 years so far, multiple trips per year. I can easily pack for 6 days with dehydrated meals and snacks, about 2500 calories per day. Any more than that can be a little tricky, but I'll hike in with my first day's food out of the bag. Learn how to tie the proper knots and this bag is easy to use, just walk downwind from camp and find a medium tree (one you can wrap your arms around) and tie it up. I love the reflective cordage, makes it easy to find in the dark.
A bear shredded this bag. I appreciate having this bag as an alternative to bear canisters when they're not required, and will continue using it at those times. But it is NOT bear proof. I'd call it a slight deterrent, if anything. It will take a bear a few more minutes to get into an Ursack than a basic stuff sack, but they can still absolutely rip this bag up no problem given time. The bag still needs to be tied or secured as best as you possibly can. It's questionable if it's worth the cost in most cases - except I'll admit it's handy when regulations require bear resistant food storage. (Kudos to the company - they immediately replaced our bag no questions asked when we told them a bear destroyed our bag).
Just returned from a 7 day solo trip through the Sam Houston National Forest. I had 7 days of food packed in the bag.
Plus side: The bag sealed nicely, was easy to fit into my pack and and kept my food safe. And this thing is rugged.
Down side: The rope is very short so you will need to find a small tree to tie the bag to or it will need to be hung. Also, with a full load, it was heavy which made it difficult to hold the bag up while I tied it off. This was really a two person job. Also, the holes where the rope goes through are beginning to fray. I'll need to have them re-sewn.
I'll take it on my next trip and it is still a great option. Just be aware of the issues, learn how to live with them and you wont be disappointed.
I used this bag in the Rocky Mountains for a week and it served me fairly well. Some critter nibbled at the bag one night and made a few small holes, but it didn't manage to steal any of the food inside. Also, there is no way I could get the advertised "7+ days" of food inside. At 2500-3000 calories of dehydrated meals and snack bars per day, I could only pack about five days of food into it. On the plus side, it is easy to use and the reflective ties are a great feature. Overall I am satisfied with it and will take it with me again next year.
No issues with the one use so far - hung from a tree with paracord. Seems durable and will definitely use in the future. Reflector rope visible as advertised when shining a flashlight on it at night so you can find it.
Bought when on sale with an odor bag (which I believe was sized for the regular Ursack bag, but was convenient because I stacked our bowls on top of the odor bag inside the Ursack Major XL) and used it once in Montana.