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Learn MoreThe Outdoor Research Helium Bivy is ideal for moving fast through alpine terrain and wilderness expanses without excess weight slowing us down. Don't let its minimalist design fool you into thinking it's lacking weatherproof performance or functional features. The Helium Bivy offers total waterproofing and maximum breathability with its Pertex Shield Diamond Fuse 2.5-layer membrane, TPU floor lamination, and fully taped construction. We stay pleasantly dry when we're camping out in widely variable conditions, all without soaking in a steam room of built-up perspiration during humid summer months.
The Helium features a clamshell design that promotes a restful night's sleep with a Delrin Single-Pole system acting as a stabilizing structure for the bivy itself. The hood unzips during pleasant weather for extra ventilation and impressive stargazing potential. No-See-Um mesh lining keeps biting insects from eating you alive when you're sleeping with the hood unzipped. Other key features include dedicated straps for attaching your sleeping pad, an internal mesh pocket, and stake-down points for securing this bivy in nasty weather.
Material
[membrane/laminate] Pertex Shield Diamond Fuse (2.5-layer), [upper] 30D nylon ripstop, [floor] 40D nylon with TPU lamination, [hood lining] no-see-em meshPoles
yesPole Attachment
sleevesSeams
fully sealedInterior Height
19.75inFloor Dimensions
82 x 26-19inPacked Size
12.25 x 3.5inTrail Weight
[with pole] 15.8oz, [without pole] 14.5ozActivity
ultralight backpacking, mountaineeringManufacturer Warranty
lifetime