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Cumulus Ultralight Bivi

New product

90,83 €

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Cumulus Ultralight Bivi - is a minimalist bivouac sheet, which is a good way to protect your sleeping bag against intense condensation inside the tent or snow hole. It is made of waterproof, ultra-light Pertex Quantum Pro DWR fabric. A thin membrane responds well to condensation, while providing high breathability. The seams are deliberately placed high away from the ground in order to minimize any possible contact with snow. The bivi is equipped with two stoppers, allowing convenient adjustment of the hood. This product is ideal for protecting a down-filled sleeping bag from moisture. In situations of repeated camping in winter conditions, when there is no easy way of drying your equipment, Ultralight Bivi is a must. Works well with all Cumulus sleeping bags, including a longer version.

Pertex Quantum Pro DWR , 36 g/m²

140 g


  • Anatomical, three-dimensional hood

  • Easy hood regulation with two stoppers

  • Compatible with all Cumulus sleeping bags, including a longer version

  • Equipped with a stuff sack

Maximum user height: 205 cm

Length: 210 cm
Width (top/bottom): 87/64 cm
Stuffsack’s dimensions (height/diameter): 12/7 cm
Stuffsack’s volume: 0,5 l

WARRANTY: 10 year


Data sheet
Weight140 g

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  • 30 days return policy
    30 days return policy
    100% money back

    30 days return policy

    You can return the product for any reason within the 30 days.

  • Express delivery
    Express delivery
    Next day delivery to all EU countries.

    Express delivery

    Choose Express delivery and you can start using gear the very next day.

  • Free Shipping
    Free Shipping
    Valid for all orders over 300 € within EU

    Free Shipping

    For all orders above 300€, we deliver within EU countries at no cost by standard courier service and with parcel tracking.

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