Big Agnes Echo Park 40 Sleeping Bag

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Cut tall and wide, the synthetic Big Agnes Echo Park 40 sleeping bag is great for those who like a little more room to move around at night, or for campers of a larger stature.

  • Features

    • Ideal for base camps, car camping or an overnight on your friend's floor—this is your go-to bag for a good night's sleep
    • Flex Pad Sleeve features stretch construction that accommodates multiple pad widths and easily connects your bag to your pad
    • Designed as a Big Agnes System Bag—use it with a Big Agnes 25 or 30 in. wide pad (not included) so you never roll off in the middle of the night
    • Unique quiltlike construction turns your bag into a backcountry bed; plus, zip-off option creates a quilt or mummy bag with the Park Series Wedgie (not included)
    • Use the top corner hand pockets to wrap the bag around your shoulders like you do with your comforter at home
    • Free Range Hood design gives you the freedom to lift your head while snuggled in the hood
    • Pillow Barn keeps your pillow tucked in tight all night
    • No-draft collar, no-draft wedge and no-draft zipper
    • Double zippers allow entry from either side of bag and, when unzipped, allow top of bag to be used like a comforter
    • Low-profile cordlock lets you uncinch the hood with one hand
    • Park bags mate together easily (additional bags not included)
    • Internal mesh stash pocket holds your phone and other small essentials
    • Interior fabric loops connect to a sleeping bag liner (not included)
    • Exterior loops are for hang drying or storage
    • Shell fabric has a water-repellent finish to help moisture bead up on the surface
    • Includes storage sack and stuff sack


    View all Big Agnes Men's Sleeping Bags
  • Technical Specs

    Best Use


    Temperature Rating (F)

    40 degrees (F)

    Temperature Rating (C)

    4 degrees (C)


    3 lbs. 2 oz.


    Ripstop nylon

    Zipper Location


    Insulation Type



    FireLine synthetic insulation (50% post consumer recycled content)

    Fill Weight

    1 pound



    Sleeping Bag Shape


    Fits Up To (in.)

    78 inches

    Shoulder Girth (in.)

    80 inches

    Hip Girth (in.)

    84 inches

    Stuff Sack Size

    7.5 x 15 inches

    Stuff Sack Volume

    10.86 liters

    Compressed Volume

    4.4 liters




    Contains recycled materials

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