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Bald Mountain 18° Big Agnes

Item Code: BTMBLDRL14

Availability: Shipping Details


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Bald Mountain 18° Big Agnes: Traditional mummy synthetic bag with new Pinneco Core insulation system.

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Bald Mountain 18° Big Agnes

Bald Mountain 18° Big Agnes: Traditional mummy synthetic bag with new Pinneco Core insulation system.

Bald Mountain 18° Big Agnes Specs:

  • Left zip only
  • Size: Fits up to 6'
  • Pinneco®Core/Fill Weight: 28oz
  • Bag Weight: 2lb 9oz
  • Girth: Shoulder 60"/Hip 54"/Foot 36"
  • Stuff Sack Size: L-9"x20" / Compressed Bag Size: 8"x10"
  • Color: Orange/Grey
  • Pad Size: Any

Bald Mountain 18° Big Agnes: Pinneco Core® features a breathable membrane between two fiber layers, allowing sweat and moisture to leave the bag while heat stays next to the body. The Bald Mountain 18 is an excellent choice if you’re looking for the lightest weight synthetic bag available that will last a long time and keep you warm and dry.

Bald Mountain 18° Big Agnes: Traditionally insulated bag designed without the integrated pad sleeve found on Big Agnes System bags. Designed to decrease weight and size, while increasing thermal value using the traditional mummy shape. Contoured hood features a draw cord and cord lock for easy adjustment.  Mesh storage sack & nylon stuff sack included.
Bald Mountain 18° Big Agnes: Insotect Tubic is a revolutionary tubular insulation system engineered to provide the maximum cubic loft for supreme thermal efficiency and user comfort. Interior fabric loops for sleeping bag liners. 70"/178cm YKK #8 zipper to mate together left and right zip bags. 

Big Agnes website


In stock items will ship within the next business day. Available item(s) is/are available to order. Most available items will ship within 9 business days, sometimes the process is faster and of course it will ship to you ASAP. There might be some exceptions, example: supplier is out of stock or manufacturing delays. If you have any doubt your item is in stock please call us at 303-984-4649.

For shipping rates and/or international shipping rates and policies, please click here.



If you placed an order at 123Mountain and you don't like it just send it back for a refund, applicable for the item not shipping costs*. Ship it back and as long as your item is in unused condition with original tags, boxes, etc.  Please follow the steps at Return Policy Page.

No returns on sale / promotional / discounted item(s).

* Even if the shipping was free we paid the carrier for the service provided and we will deduct $7.95 for Economy, $12.95 for Ground, etc.



Not stoked on your gear? Looking to return it? No problem, we have an Unlimited Return Policy as long as item(s) is/are in UNUSED CONDITION. We try to guarantee complete satisfaction with unlimited lifetime returns. If at any time - now, next month, in 30 years - you're not 100% satisfied, send your gear back for a refund. No questions asked. Check out Return Policy Page here. No returns on sale / promotional / discounted items, though.


We need your help to always make sure 123Mountain has the best prices! You may even benefit in the process. If you find an identical product at a lower price and in stock through another online site we will refund two times the difference.

Here's how it works:
•    Place the order on 123Mountain.com at our current price.
•    Email us within 24 hours that you are requesting a price match, including a link to the site where you saw the lower price.
•    We will adjust the price and take care of your refund.

For further information please go to 100% SATISFACTION page.


We offer three types of membership; Elite, Premium and Standard. Each membership group has fantastic advantages everything from store credit to an extra 10% OFF and FREE shipping.

Find out more which membership level that fits you the best, click here.


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