Increase your sleeping bag performance by up to 14 C (25 F) with the super insulating Reactor Extreme.  Made with 110g/m synthetic Thermolite insulating fabric, this liner provides extraordinary warmth for weight while remaining breathable so you don't overheat.  Cut spacious to provide a comfortable sleep, this liner is perfect for stretching your sleeping bag to the maximum, or on its own as a lightweight bag in cool temperatures.

Features:

• 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