bc8d7ccd_ternatives___WinterCampers_com__3
[0] Bivy [1] A waterproof shell over a sleeping bag providing insulation and a wind and moisture barrier [2] Light weight, camp anywhere, easy to set up [3] 
Can be constricting, no shelter for gear, not easy to enter/exit
Winter Camping Shelter Alternatives « WinterCampers.com
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