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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
  • Flex Air Mattress

    Game-changing comfort and support

    The only ultralight air mattress with a 4-way stretch top and R5 warmth.

    IncludesInflation Dry Sack, and repair kit
    R-value: 4.8

     

    Weight

    183 x 51 cm: 570 g
    183 x 64 cm: 680 g
    196 x 64 cm: 710 g

    Size

    183 x 51 cm: 16 x 8 cm
    183 x 64 cm: 20 x 8 cm
    196 x 64 cm: 20 x 9 cm

    Materials

    Mattress Materials
    Top: 4-way stretch 20D Recycled Polyester knit
    Bottom: 20D Recycled Polyester Tafetta
    Insulation: Mylar Foil

    Inflation Dry Sack Materials
    Fabric: 30 D Ripstop Nylon, 75 D Polyester
    Top Closure: 420 D Double Side TPU, 20 mm Buckle, 20 mm D-Ring Release Valve

    Size



    Materials

    Mylar Layers I Zenbivy Sleeping Bag Systems

    Mylar layers

    Mylar is a popular insulation choice for ultralight camp mattresses, but unlike other ultralight mattresses that are crinkly, loud, and provide insufficient warmth, our mattress's mylar layers “float” within to quietly reflect heat and provide R5 warmth for EN/ISO-matched thermal performance.

    Materials I Zenbivy Sleeping Bag Systems

    Laminated fabrics

    Other mattresses use coated fabrics which can break down over time, making them less durable and, therefore, less reliable. We laminate a PU (polyurethane) membrane to our fabrics. This separate membrane does not break down and the welds are stronger, resulting in a more durable and long-lasting mattress.


    all-mattresses
    Model Weight Inflated Dimensions Packed Size Insulation
    Flex Air Mattress M 51 x 183 cm 567 g 51 x 183 x 8 cm 16 x 8 cm R 4.8
    MW 64 x 183 cm 680 g 64 x 183 x 8 cm 20 x 8 cm
    L 64 x 198 cm 709 g 64 x 198 x 8 cm 20 x 9 cm
    Ultralight Mattress M 51 x 183 cm 482 g 51 x 183 x 8 cm 16 x 8 cm R 4.8
    MW 64 x 183 cm 595 g 64 x 183 x 8 cm 20 x 8 cm
    L 64 x 198 cm 623 g 64 x 198 x 8 cm 20 x 9 cm
    Light Mattress M 51 x 183 cm 650 g 51 x 183 x 8 cm 18 x 10 cm R 5.2
    MW 63 x 183 cm 680 g 63 x 198 x 8 cm 23 x 13 cm
    L 63 x 198 cm 770 g 63 x 198 x 8 cm 23 x 13 cm
    XL 76 x 198 cm 1040 g 76 x 198 x 8 cm 25 x 13 cm
    Base Mattress M 51 x 183 cm 793 g 51 x 183 x 4 cm 25 x 15 cm R 4.7
    MW 63 x 183 cm 992 g 63 x 183 x 8 cm 33 x 15 cm
    L 63 x 198 cm 1080 g 63 x 198 x 4 cm 33 x 20 cm
    XL 76 x 198 cm 1270 g 76 x 198 x 4 cm 38 x 20 cm
    Flex™ Mattress M 51 x 183 cm 964 g 51 x 183 x 4 cm 25 x 15 cm R 5.0
    MW 63 x 183 cm 1100 g 63 x 183 x 4 cm 33 x 15 cm
    L 63 x 198 cm 1220 g 63 x 198 x 4 cm 33 x 20 cm
    XL 76 x 198 cm 1670 g 76 x 198 x 4 cm 38 x 20 cm
    Flex™ 3D Mattress L 66 x 198 cm 1870 g 66 x 198 x 8 cm 33 x 20 cm R 7.4
    XL 76 x 198 cm 2130 g 76 x 198 x 8 cm 38 x 20 cm
    Double Flex™ 3D Mattress DL 132 x 198 cm 3490 g 132 x 198 x 8 cm 66 x 20 cm R 7.4