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  • Why Zenbivy?
  • Why it's better | Zenbivy Sleeping Bag Systems

    Why Zenbivy Is Better

  • Read Media Reviews | Zenbivy Sleeping Bag Systems

    Read Media & Press Reviews

  • FAQ | Zenbivy Sleeping Bag Systems

    Frequently Asked Questions

  • About down | Zenbivy Sleeping Bag Systems

    About Zenbivy

  • Support
  • Description
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    Which footbox style is right for you?

    Fast Footbox  Zenbivy Sleeping Bag Systems

    Fast Footbox™

    The Fast Footbox™ is our simplest, lightest, and quickest. With a single clip and minimal fuss, it easily converts from warm “mummy mode” to spacious “wide mode”.

    Convertible Footbox | Zenbivy Sleeping Bag Systems

    Convertible Footbox

    In addition to both mummy and wide modes, our Convertible Footbox also unclips to lay completely flat. The Convertible Footbox provides maximum versatility in warmer temperatures and when used with accessories.


    Explore the features



    Nylon Taffeta | Zenbivy Sleeping Bag Systems

    20D Nylon Taffeta

    20D fabrics are much softer than traditional ultralight technical fabrics while being only a fraction heavier.They're buttery-smooth, comfortable, durable, and worth the minuscule weight penalty.

    900 fill Dry Down | Zenbivy Sleeping Bag Systems

    800 fill HyperDRY™ down

    Built for performance, our premium 800 fill-powerHyperDRY™ down from ALLIED Feather + Down usesa natural wax-based compound to make it water-resistant. It is durable, fluorocarbon-free, and RDS(Responsible Down Standard) compliant.

    Lightweight Clip Attachement | Zenbivy Sleeping Bag Systems

    Lightweight clip attachments

    Our proven draft-free color-coded clip system isnearly weightless compared to zippers. Our clip quiltsand sheets are more versatile since any clip quilt canbe paired will any clip sheet, allowing you to mix andmatch to build your perfect setup.

    Synthetic Fill Material | Zenbivy Sleeping Bag Systems

    1D/3D XD Synthetic

    Built for warmer nights, tighter budgets, and personalpreferences, we've used a polyester synthetic blendthat's as soft as it gets. So soft in fact that you'll swearit's downl


    Light Quilt
    Light Quilt Convertible
    Light Sheet
    Weight





    -4°C Down
    • Medium: 567 g
    • Large: 652 g
    • XL: 765 g
    -12°C Down
    • Medium: 878 g
    • Large: 992 g
    • XL: 1.13 kg
    +4°C Synthetic
    • Medium: 623 g
    • Large: 765 g
    • XL: 850 g
    -4°C Down
    • Medium: 623 g
    • Large: 709 g
    • XL: 822 g
    -12°C Down
    • Medium: 935 g
    • Large: 1.08 kg
    • XL: 1.22 kg
    Uninsulated
    • 51 cm: 88 g
    • 64 cm: 96 g
    • 76 cm: 105 g
    -4°C Down
    • 51 cm: 187 g
    • 64 cm: 204 g
    • 76 cm: 224 g
    -12°C Down
    • 51 cm: 230 g
    • 64 cm: 246 g
    • 76 cm: 266 g
    Limit / Comfort Rating -4°C Down: -4°C / 2°C

    -12°C Down: -12°C / -7°C
    +4°C Synthetic: 4°C / 10°C

    -4°C Down: -4°C / 2°C

    -12°C Down: -12°C / -7°C

    Uninsulated: N/A

    -4°C Down: -4°C / 2°C

    -12°C Down: -12°C / -7°C
    Fill Down: 800 fill-power HyperDRY™ fluorocarbon-free water-resistant 90/10 duck down Down: 800 fill-power HyperDRY™ fluorocarbon-free water-resistant 90/10 duck down

    Synthetic: 140g 1D/3D XD Polyester batting
    Uninsulated: N/A

    Down: 800 fill-power HyperDRY™ fluorocarbon-free water-resistant 90/10 duck down
    Fill Weight -4°C Down
    • Medium: 321 g
    • Large: 366 g
    • XL: 423 g
    -12C° Down
    • Medium: 609 g
    • Large: 706 g
    • XL: 814 g
    -4°C Down
    • Medium: 343 g
    • Large: 392 g
    • XL: 451 g
    -12°C Down
    • Medium: 647 g
    • Large: 758 g
    • XL: 869 g
    -4°C Down
    • 51 cm: 50 g
    • 64 cm: 53 g
    • 76 cm: 60 g
    -12°C Down
    • 51 cm: 90 g
    • 64 cm: 96 g
    • 76 cm: 106 g
    Fabric Shell & Lining: 20D Nylon Taffeta 380T, coating-free, cire, fluorocarbon-free DWR, 36gsm Shell & Lining: 20D Nylon Taffeta 380T, coating-free, cire, fluorocarbon-free DWR, 36gsm Shell & Lining: 20D Nylon Taffeta 380T, coating-free, cire, fluorocarbon-free DWR, 36gsm
    Sheet Sizing - - 51 cm: Fit mattresses up to 53 cm wide x 9 cm thick
    64 cm: Fits mattresses up to 66 cm wide x 9 cm thick
    76 cm: Fits mattresses up to 76 cm wide x 9 cm thick
    Recommended Dry Sack Size All -4°C Down: 7L
    All -12°C Down: 10L

    Dry Sack sold separately
    All +4°C Synthetik: 7L
    All -4°C Down: 7L
    All -12°C Down: 10L

    Dry Sack sold separately
    -