Increases sleeping bag performance by up to 25°F (14°C) with super-insulating 110g/m² Thermolite fabric. Thermolite is a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable. Spacious design allows for a comfortable night’s sleep, even when the mercury plummets. Perfect for extending the season of your sleeping bag.
110g/m2 Thermolite construction throughout
Adds up 25°F (14°C) to warmth to a sleeping bag
Mummy shape with a box foot. Draw cord hood with mini cord lock
Packs into its own Ultra-Sil stuff sack
Color of liner is orange. Weighs 14 oz / 399g. Dimensions: 84″ / 210cm x 36″ / 90cm