Outdoor Research Helium Bivy

30D Pertex Shield+ 2.5L Nylon Fabric, 70D TPU Floor / Packed Size: 30 x 8cm / Hoop
Weighs 504g
Code: SS14118
  • Now £139.99
  • (FREE UK & EU Delivery)
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The Helium bivy has been designed to be ultralight but still has a separate insect mesh 'door' and a front pole that gives the whole thing some structure and stops the fabric from laying on your face.

Outdoor Research says:

Made from ultra-lightweight, waterproof and breathable Pertex Shield+, the Helium Bivy is a true minimalist bivy for fast and light solo expeditions. Weighing in at a feathery 18 ounces, and featuring a classic clamshell design and durable 70D nylon floor, this storm-proof shelter is ready for season after season of adventuring.

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Outdoor Research's Helium bivvy is an extremely lightweight shelter that still manages to retain an insect screen and front pole to give you some wriggle room. There's no rear pole so the leg area is just like a conventional bivy bag.

The groundsheet is made from a tougher material than the shell and is 'bathtub style' to ensure good performance even in very wet conditions. The hood can be fastened back to the pole and you can leave the insect door in place, so on drier nights you can keep the condensation down by leaving the hood open. Although another couple of attachment points would have made tying back the hood a neater proposition.

- Reviewed by Ultralight Outdoor Gear

  • Five Stake Loops; One Guy-Line Loop
  • High-Volume Toe-End
  • Breathable
  • Lightweight
  • Single Shock-Corded Overhead Delrin
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By placing quality first, we can offer the finest guarantee in the industry for each and every product – the Outdoor Research Infinite Guarantee™. We believe so strongly in the quality of the apparel and gear we make that if our product fails to meet your needs at any time, we are happy to replace it. Our products are guaranteed forever.

  • Fabric Pertex Shield +, 2.5-layer, 100% nylon 30D ripstop with clear laminate upper // 100% nylon, 70D floor
  • Height: 50cm; Overall length: 214cm; Width at shoulders: 66cm.
  • Packed size: 30cm x 8cm
  • WITH POLE: 18 oz. / 504 g // W/O POLE: 16 oz. / 453 g
  • Avg. Weight 504g (One Size)
Showing our 1 review for Outdoor Research Helium Bivy. Write a review ›
Review Summary - 4 out of 5 based on 1 rating.
June 27, 2017 | Caroline Light
Good bag

It is a good light bag, I use it with my tarp, it protects my down bag very well. It does breathe, but how well ? I don't know, I have noticed a slight dampness in the foot area, but it was a warm night with no wind and it's a 3 season bag in mid summer. The next night was light rain and strong winds and it was fine with less dampness in the foot area. On both occasions I turned the bag inside out and the bag and down bag dried very quickly in the atmosphere. The face cover without the hoop in is large and if not in use gets in the way, I have added 2 soft Close clothes pegs to peg the material out the way. I have not used the bug screen yet, so I can't comment on that.
Overall a good bag, a bit of dampness in the foot area, the extra ventilation in the upgrade goretex bag is a lot more money and if I was out a lot more, then I would get it. Very light weight and good with a tarp, it is a warm bag I would consider buying a 2 season bag to use with it as it is very warm. Happy with it.

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