Some observations on cheap one-person shelters, including on their design, proliferation, and history, and comparison between some shelters.
Outdoor Research Stargazer AscentShell Bivy Review
The Outdoor Research Stargazer AscentShell Bivy (18.9 oz / 536 g, $259) is one of the few waterproof-breathable bivy sacks on the market that weigh just over a pound and also includes mosquito netting and a headroom-extending pole.