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The Thermolite sleeping bag liner is specially designed for extreme environments as it adds up to 15°C of warmth to a sleeping bag.

First Ascent Thermolite Sleeping Bag Heating Liner

    • Adds up to 15°C warmth to the temperature rating on your sleeping bag
    • Most effective on bags with a comfort rating of 0°C or le
    • Permanent thermal insulation qualities
    • Excellent warmth to weight ratio
    • Lightweight and packs down to a small size
    • The fibre is breathable and keeps you warm, dry and comfortable
    • The mummy sheet has a cowl to match your bag, and ties allow you to secure the sheet to the bag
    • SKU: FAS51
    • Designed For: Camping, Hiking
    • Weight (Kg): 0.325
    • Dimensions: 210 X 90cm
    • Packed Size: 17x8.5cm
    • Fabric Composition: Thermolite By DuPont
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