This vapor barrier bag liner is a good choice for increasing the temperature rating of any bag (down or synthetic). By preventing evaporative heat loss the VB bag liner will keep your bag's insulation dry which is especially important for multi-day outings. The generous semi rectangular cut will not cramp your style and also allows it to be used as a bivy sack for most 3 season bags.

Fabric is 30 denier siliconized nylon fabric (Red) which offers outstanding tear strength, will not wet out and can be easily wiped clean.  The VB bag liner features a 26" " #3 YKK coil zipper with double sided pulls for easy entry/exit and venting.  The top features lycra webbing and a 5/8" velcro tap will prevent unwanted zipper creeping.

One size - 6'6" tall, 32" wide at shoulders, 22" wide at base. Weight. 5.36ounces

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