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First Ascent Thermolite Sleeping Bag Liner, product, thumbnail for image variation 1
First Ascent Thermolite Sleeping Bag Liner, product, thumbnail for image variation 2

Product Information

The Thermolite sleeping bag liner is specially designed for extreme environments as it adds up to 15 degrees Celcius of warmth to a sleeping bag. It is most effective on bags with a comfort rating of 0 degrees Celcius or less. It has a cowl to match your sleeping bag and the breathable fibre keeps you warm, dry and comfortable in extreme conditions.
  • Size - 102x220cm
  • Coolmax technology for superior heat regulation
  • Can be used as sleeping bag by itself
  • Permanent thermal insulation
  • High water vapor transmission
  • Lightweight
  • Excellent warmth to weight ratio

First Ascent Thermolite Sleeping Bag Liner

1006156
The Thermolite sleeping bag liner is specially designed for extreme environments as it adds up to 15 degrees Celcius of warmth to a sleeping bag. It is most effective on bags with a comfort rating of 0 degrees Celcius or less. It has a cowl to match your sleeping bag and the breathable fibre keeps you warm, dry and comfortable in extreme conditions.
  • Size - 102x220cm
  • Coolmax technology for superior heat regulation
  • Can be used as sleeping bag by itself
  • Permanent thermal insulation
  • High water vapor transmission
  • Lightweight
  • Excellent warmth to weight ratio

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