Ultralight emergency bivy bag for two. Doubles as wild shield for lunch breaks or poncho. Three floor vents prevent the accumulation of condensation. The top opening can be held open with a trekking pole set in the attachhed loops. Use as a wind shield for 2 in rough weather or as emergency overnight bag in rock or ice bivouacs. Attach the top corner vents to rocks, trees or other secure anchor points. A peephole is located in duo's center. Works as a 1 person poncho. Reflective cords for night time operation and visibility.