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AT 40 Day Pack

Item # PF297047
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Product Details

A light and fast day pack that’s big enough for overnight trips.



  • Capacity: 2,441 cu. in., 40 L.
  • Fits torso: 17" to 19".
  • Weight: 2 lb. 12 oz.
  • Dimensions: 26½"H x 13"W x 6"D.
  • Large

  • Capacity: 2,685 cu. in., 44 L.
  • Fits torso: 18" to 21".
  • Weight: 2 lb. 15 oz.
  • Dimensions: 28½"H x 14½"W x 6¾"D.
  • Construction

  • Pack body made from 100D Robic nylon reinforced with 100D high-tenacity ripstop nylon.
  • Unique trampoline suspension system allows cooling ventilation between the pack and your back.
  • Lose-a-Lid removable top lid lets you pare down the load for traveling lighter.
  • Security and storage pockets in top lid.
  • Storm bonnet closure seals the top opening when lid is removed.
  • Front stretch mesh "shove-it" pocket keeps an extra layer handy on the trail.
  • Additional Features

  • Sleeve with drinking tube port is compatible with a hydration bladder (bladder sold separately).
  • Imported.
  • Customer Reviews
    AT 40 Day Pack
    Average Rating
    5 / 5
    6 out of 7 of reviewers would recommend this product.
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    Showing 1-7 of 7
    5 / 5
    January 22, 2019
    Nice pack!
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    5 / 5
    October 1, 2018
    to many features that work poorly
    This pack has many feature that work poorly and it has a heavy frame. Overall the pack is heavier than necessary because of feature creep. This is a prissy... more
    Boulder CO
    Response from L.L.Bean
    October 8, 2018
    By L.L.Bean Customer Satisfaction Team
    Thank you for your detailed feedback; this will be helpful to our Product Team as we look to improve future products. We are sorry this pack did not meet your expectations. We want you to have the quality product you expect from L.L. Bean; we'll reach out to you to discuss alternatives to better meet your needs.
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    0 out of 5 found this review helpful.
    5 / 5
    January 5, 2018
    Light, comfortable pack with one minor design flaw
    This is a generally great pack. It is light for the amount of gear it carries and has enough harness adjustments to find just the right fit. The balance... more
    Princeton, NJ
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    HikerJenn February 8, 2018
    I was literally looking for a bigger day pack for my long Adirondack day hikes when I came across your review. I too know the annoyance of the 'saggy top' problem with my giant backpack lid. Thanks for being specific too about the good stuff. I think I'm going to get this one.
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    9 out of 9 found this review helpful.
    5 / 5
    April 23, 2017
    Fine lightweight pack
    I have had this pack for a month now and really like it. Used for both full day hikes as well as short backpacking overnighters, it fits great, very comfortable,... more
    Macedonia, Georgia
    Top 1000 Contributor
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    8 out of 8 found this review helpful.
    5 / 5
    December 24, 2015
    Customer Service
    LL Bean is #1 in customer service and I know why... They had my order at my doorstep as promised. Not to mention a great product such as my new back pack!... more
    New Hampshire
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    3 out of 16 found this review helpful.
    5 / 5
    October 9, 2015
    No buts: versatile, stylish pack.
    I had a Black Diamond Outlaw 32L ski-carry winter pack for a long time that was starting to fall apart and was just a little too small for overnights in... more
    Boston, MA
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    31 out of 31 found this review helpful.
    5 / 5
    October 7, 2015
    too many pockets
    I loved the color After trying it on The belt pockets were too small and there were too many other pockets... Not sure how the top was suppose to work..... more
    Charleston SC
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    Show Comment (2)
    Russell37421 October 21, 2016
    Excessive use of separate pockets and compartments tends to add to the weight of a pack, with diminishing returns w/r/t organization. IMO, good design balances easy access with weight ... but I think at times Bean goes a little too far with bells and whistles on these packs, because good packing can minimize the need for separate pockets. Water bottle pockets are essential, IMO. A hip belt pocket and top pocket are nice but not critical. Beyond that, it gets a little much. My White Mtn pack has a few pockets and access points I'll never use.
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    KSChicago October 8, 2015
    Side elastic mesh pockets are usually used for water, perhaps some small food items (bars, nuts). The front mesh pocket is usually used for a layer like a waterproof jacket - easily accessible in case of sudden shifts in weather. People use the belt pockets for many things. I personally use it for small food items, sometimes money, maybe even a small map? Pockets are a personal preference matter. I know hikers who prefer a very basic rucksack (large compartment with maybe only two or three other pockets). I personally prefer more pockets because it lets me organize a bit better. Hope this helps!
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    5 out of 12 found this review helpful.
    Showing 1-7 of 7