Outdoor Research Alpine Bivy Weight

A traditional clamshell opening lets you breathe freely without letting in the weather and a single pole can be used to create overhead space or left at the trailhead to save weight.
Outdoor research alpine bivy weight. For comparison to see how much weight or has been shaving off their bivies. The 2019 alpine which tips the scales around 586 grams. The newly revamped alpine bivy for spring 2019 is 37 lighter than its precursor the heralded choice for solo winter alpine pursuits. Available at rei 100 satisfaction guaranteed.
The previous version of the alpine weighed 28 5 ounces on our scale and the earlier version of the helium was just over 18 ounces. A waterproof floor keeps the moist ground from soaking through your bag. The outdoor research alpine bivy is just like a one person tent that you use lying down. We re still trying to wrap our minds around how outdoor research shaved over 200 grams off the original and still left us with the ultimate in weatherproof bivys.
A single pole holds the mesh away from your face keeping the bugs at a distance while the zipper opening seals out mosquitoes and other small insects. This helium weighs a hair over a pound at 16 3 oz. At first glance it looks just like a regular mummy type sleeping bag but it is so much more than that. For solo missions in the high country when you don t need more than weather protection while sleeping the outdoor research alpine bivy uses gore tex respiration positive fabric to keep you dry.
That s over four ounces lighter than the alpine bivy.