Description

Along with extending the life of your sleeping bag, the Sea to Summit Thermolite Reactor sleeping bag liner adds 14°F of warmth.

Features

• Thermolite® insulation is a hollow-core fiber that provides extraordinary warmth for its weight and remains extremely breathable
• It's very comfortable, more compact and warmer for its weight than fleece liners
• Adds up to 14°F (8°C) of warmth to a sleeping bag, or can be used on its own as the ideal warm-weather bag
• Thin drawcord with tiny cord-lock around the hood
• Very light and compact