SEA TO SUMMIT Reactor Liner to Online Sales
Our best-selling sleeping bag liner! The Reactor™ is made from 80 g/m² THERMOLITE — the lightest weight THERMO-LITE fabric available. THERMOLITE is a hollow core fibre that provides extraordinary warmth for its weight and remains extremely breathable. Adds up to 14°F (8°C) of warmth to your sleeping bag or can be used alone as a warm weather bag.