Stratosphere OliveOur Lightest 1 Person Waterproof Bivvi Shelter with a Single Skin Design The Snugpak Stratosphere is an easily pitched, classic bivvi shelter with a self supporting canopy around the head and shoulders, which allows increased breathability and movement while giving protection from the elements. The entry features a No See Um Mesh Mosquito Net, which can be rolled away when not in use, and a 3 4 length side zip for easy access. There is also a mesh