Free standard shipping over $49!

Free standard shipping over $49!

Thermolite Reactor Extreme Liner

Style: 149
Regular price $69.95

Make your sleeping bag extra warm and toasty on cold nights at the campground. The Sea to Summit Thermolite Reactor Extreme increases sleeping bag performance by up to 25 F (14 C) with super-insulating 110g/m 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.

  • Details

    Features:

    • 110g/m2 Thermolite construction throughout
    • Adds up 25° F 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

    Specs:

    • Length: 84"
    • Width: 36"
    • Weight: 14 oz
    • Temp Rating: Up to 25 F

Features:

  • 110g/m2 Thermolite construction throughout
  • Adds up 25° F 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

Specs:

  • Length: 84"
  • Width: 36"
  • Weight: 14 oz
  • Temp Rating: Up to 25 F