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  • Why it's better | Zenbivy Sleeping Bag Systems

    Why Zenbivy Is Better

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    Read Media & Press Reviews

  • FAQ | Zenbivy Sleeping Bag Systems

    Frequently Asked Questions

  • About down | Zenbivy Sleeping Bag Systems

    About Zenbivy

  • Support
  • Cozy & affordable: Core -12°C Down Bundle

    Our Core -12°C Down Bundle is a complete sleep system designed to keep you warm and comfortable on chilly nights—without stretching your budget.

    This value-packed system includes:

    • ultra-comfortable Core -12°C Down Quilt
    • Core Down Sheet
    • Light Mattress
    • a modular 2-piece Ultralight Pillow to stuff with your down jacket in the field
    • Dry Sack for fully-welded, waterproof storage

    Select your sizes and colors from the drop-down menus after adding the bundle to your cart.

     

    Explore the features


    Materials

    Lightweight Clip Attachement | Zenbivy Sleeping Bag Systems

    Lightweight clip attachments

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

    Synthetic Fill Material | Zenbivy Sleeping Bag Systems

    1 D/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



    core bed
    .
    Core Quilt
    Core Sheet
    Weight -4°C Down
    • Medium: 708 g
    • Large: 793 g
    • XL: 907 g
    -12°C Down
    • Medium: 1.02 kg
    • Large: 1.19 kg
    • XL: 1.36 kg
    -4°C Synthetic
    • Medium: 992 g
    • Large: 1.16 kg
    • XL: 1.30 kg
    Uninsulated
    • 51 cm: 173 g
    • 64 cm: 198 g
    • 76 cm: 221 g
    Down
    • 51 cm: 281 g
    • 64 cm: 317 g
    • 76 cm: 351 g
    Synthetic
    • 51 cm: 371 g
    • 64 cm: 419 g
    • 76 cm: 451 g
    Limit / Comfort Rating -4°C Down & Synthetic: -4°C / 2°C

    -12°C Down: -12°C / -7°C
    Uninsulated: N/A

    Down & Synthetic: -4°C / 2°C
    Fill Down: 650 fill-power RDS compliant 80/20 duck down

    Synthetic: 240g 1D/3D XD Polyester batting
    Uninsulated: N/A

    Down: 650 fill-power RDS-compliant 80/20 duck down

    Synthetic: 240g 1D/3D XD Polyester batting
    Fill Weight -4°C Down
    • Medium: 336 g
    • Large: 379 g
    • XL: 438 g
    -12° Down
    • Medium: 641 g
    • Large: 751 g
    • XL: 860 g
    Core Sheet Down
    • 51 cm: 63 g
    • 64 cm: 66 g
    • 76 cm: 74.5 g
    Fabric Shell: 30D Nylon Taffeta 350T, coating-free, cire, fluorocarbon-free DWR, 50gsm

    Lining: 50D Polyester Pongee 300T, coating-free, cire, 62gsm
    Shell: 30D Nylon Taffeta 350T, coating-free, cire, fluorocarbon-free DWR, 50gsm

    Lining: 50D Polyester Pongee 300T, coating-free, cire, 62gsm
    Sheet Sizing - 51 cm: Fit mattresses up to 53 cm x 183 x 9+ cm

    64 cm: Fits mattresses up to 66 x 198 x 9+ cm

    76 cm: Fits mattresses up to 76 x 203 x 9+ cm
    Recommended Dry Sack Size All -4°C Down: 10L
    All -12°C Down: 15L
    All -4°C Synthetic: 15L

    Dry Sack sold separately
    -