Rab eVENT Ascent Bivi

3 layer 40D eVent Fabric / Packed Size: 13 x 25cm / Non Hoop
Weighs 620g
Code: OC3510
  • Now £179.99
  • (FREE UK & EU Delivery)
+ In Stock Now | Usually dispatched within 24 hours
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Rab says:

The Ascent Bivi is a light-weight, single-person waterproof bivi, designed for everything from general outdoor use to alpine expeditions.

Made using a durable and breathable 40D eVent® fabric, the Ascent Bivi comes in a standard, wide-sleeping bag design, to be compatible with the less technical Rab sleeping bags.

The Ascent Bivi packs down to just 13cm x 25cm (5 x 10inch) for quick-and-easy packing and transporting.

|eVent Waterproof Fabrics use Direct Venting Technology - a proprietary and patented waterproof membrane allows millions of tiny pores to breathe at their full potential. Sweat vents directly to the outside of the fabric in one easy step. Click Logo to read more..
|Click here for more info on Rab, product updates and New Season information.

The simplest of bivy designs teamed with the best fabric around for this purpose.

  • 1 person
  • Wide sleeping bag profile
  • Removable mesh zip door panel
  • Webbing loop to hold entrance open
  • End zip entrance
  • Weight: 620g
  • Packed sized: 13cm x 25cm
  • Dimensions: 70cm (W) x 235cm (L) x 30cm (H)
  • Perfect for: general outdoor use / alpine / trekking
  • Fabric: 3 layer 40d eVent fabric
Showing our 1 review for Rab eVENT Ascent Bivi. Write a review ›
Review Summary - 4 out of 5 based on 1 rating.
February 28, 2017 | Janno
Tested in +2C

I have tested it for one night in +2C sleeping on snow with some light rain showers. I wanted to compare it to my 3 season tent. I know that in a tent my sleeping bag (-4C limit) can be used about to ~0C. I slept in +2C and at first it was too hot and I had to open bivy and sleeping bag a bit to stay comfortable. By morning it got colder and I had close sleeping bag fully and also close bivy a bit down. I didn't want to close it fully, because bivi bag and sleeping bag where getting a bit damp from my breathing in face area. There were no condensation though. My 3 season tent would have been soaking wet from condensation in similar conditions.

I left sleeping mat outside, as this leaved enough room inside bivi to sleep on my side. I can also sleep on my side with mat inside, but then sleeping bag is too compressed. When I woke up, the sleeping mat was soaking wet, but the bivy was dry from inside and outside.

-1 star for bug net design. It's too small and allows max 20cm opening. I'm not sure about bivi opening also, there could be some better way to keep it open when more air is needed.

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