Major XL

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Lightweight, flexible sack protects food from bears

The Ursack Major XL (IGBC cert. no. 3738) is the larger version of the classic Major. The Major XL holds about 50% more food than its smaller sibling and weighs 8.8 ounces. Otherwise it is identical. The Major XL is made of “bulletproof” Spectra fabric and is designed to prevent bears from getting your food in their territory. It comes with an integrated six foot, 2,500 pound tensile strength cord. The Major XL does not come with an odor barrier bag (OPSak) or an aluminum liner. (One OPSak will work if not overstuffed, otherwise use two.) We highly recommend OPSak, which is designed to always be used inside all Ursacks. Without the optional aluminum liner, your food may be crushed, ripped or punctured. While the Major XL is critter-resistant, it is less so than the AllMitey or the Ursack Minor, both of which may be better suited for that task. The newest version (which is the only version we sell) of the Major XL (those made since about April 1, 2015) has a tighter weave and more than double the tear strength of previous models. This Ursack with improved Spectra seams passed the Interagency Grizzly Bear Committee test and was placed on its bear-resistant products list on July 31, 2014. That list is the one relied on by many, but not all, wilderness agencies, and restrictions may still apply–check first.

Ursacks are not considered a suitable bearproof container in some areas (such as Yosemite National Park). Please check with the authorities at your destination before purchasing the Ursack.

Note: Some units may have different color thread or rope than those pictured. This item is identical to the AllWhite Major XL (no longer offered).

Please note, none of the Ursack models should be considered wolf or dog resistant. That’s because canines have sharp teeth and strong jaws. Bears have great strength, but their teeth are not sharp.


Brand Name:
about 15 Liters (approx. 7+ days of food for 1 person)
8.8 oz
21 x 12.8 x .6 in
Other Features:
• Certified Bear Resistant
• Flexible
• Cord: 6 foot-high tensile strength
• Recommend: Odor Barrier Bag (OP Sak 12 x 20) - sold separately
Read all instructions and learn to properly close the Ursack before use.
Limited Lifetime Warranty: Ursack will replace, or refund the cost of, any properly used Ursack Major XL in which a gap, tear or hole larger than 1/4 inch is caused by a bear. This 1/4 inch standard is the criteria used in the Interagency Grizzly Bear Committee's test protocol. Ursack asks that customers return any damaged Ursack to them for inspection (do not return it to the retailer for warranty). For more information about the risk from raccoons and other critters, see the FAQ section at

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