Sea To Summit Reactor Thermolite Mummy Liner

Increase the warmth of your sleeping bag and your sleeping comfort with the Sea To Summit Reactor Thermolite Mummy Liner.

Designed to provide increased comfort and warmth, the Sea To Summit Reactor Thermolite Mummy Liner is the perfect addition to your sleeping bag. Featuring Thermoloft technology, the provides amazing warmth for its weight and remains extremely breathable. Thermoloft high loft insulation is a fiberfill constructed with a unique 3D crimp of hollow-core and solid fibres, which provide excellent lightweight warmth with superior durability. The Thermoloft Reactor adds up to 8°C of warmth to a sleeping bag or can be used alone as a warm-weather bag. As well as this, the liner features a mummy shape with box foot plus, a drawcord hood allows you to cinch down the fit. Lastly, the liner comes with its own Ultra-Sil stuff sack. The sack has been constructed using a 30D Cordura fabric that improves fabric tear strength, abrasion resistance and packability. The lightweight fabrication reduces the risks of tearing and abrasion ensuring long-lasting use.