Borah Gear Ultralight Bivy side zipper (Argon67)Borah Gear Ultralight Bivy side zipper is a great lightweight bivy with a mesh face panel and side zipper weighing only 198g at really good price. If any of the big names in bivy bags offered the Borah, you would pay much more for such high quality of both the materials and the craftsmanship. The zipper goes across the chest and then takes a turn down the left side for approx. 60cm (24"), creating a bivy that is easier to get into. When packed in the