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Weighing in at only 18 oz., this is the lightest weight bivy available from Outdoor Research. With a classic clamshell design, it's waterproof, breathable and ready for many seasons of adventures.


  • Light and supple Pertex® Shield+ 2.5-layer ripstop nylon fabric with fully taped seams creates a waterproof, windproof and highly breathable barrier against the elements
  • Waterproof, 70-denier nylon floor features an anti-fungal coating to cut the funk
  • Shockcorded Delrin® overhead pole, high-volume toe end and removable no-see-um mesh netting at the opening add comfort to this minimalist shelter
  • Features 5 stake loops, 1 guyline loop, sleeping pad straps and a small internal mesh pocket
View the Outdoor Research Helium Product LineView all Outdoor Research Bivy Sacks

Technical Specs

Item #867215
Best Use




Sleeping Capacity



1 lb. 2 oz.

Packed Size

4 x 15 inches

Bivy Length

84 inches

Shoulder Width

26 inches

62 reviews with an average rating of 3.6 out of 5 stars

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