First Ascent Ultralight Insulated Mattress


This lightweight mattress is designed to keep you comfortable as well as insulated on cold nights with its Thermofibre technology that assists in retaining body heat. Compact, durable and easy to inflate and deflate, this mattress is the ideal overnight companion to ensure a good night’s rest during all four seasons. Its packability and lightweight design also means no hassles or added weight on a multi-day hike.

SKU: FAM15 Categories: ,
  • ONLY 465 G

    Ultra Lightweight design while maintaining a comfortable nights sleep

  • R-VALUE: 3.0

    The Thermofibre Insulation Technology prevents heat loss through the mattress that assists you in keeping warm inside your sleeping bag in cold conditions.

  • 16 X 12 CM PACK SIZE

    The Ultralight Insulated Mattress packs up really tiny into its include stuff pouch.


    • Super lightweight and comfortable to sleep on
    • 4 Season hiking mattress
    • Thermofibre technology prevents heat loss
    • Easily fits into most First Ascent sleeping bags
    • Quick and hassle-free to inflate with a Seal Tec valve
    • Ultra compact when deflated
    • Includes repair kit




    Weight (Kg)


    Designed For

    Camping, Hiking


    180 X 50 X 3.2cm



    Packed Size

    16 X 12cm


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