Sea to Summit Reactor - Insulated Sleeping Bag Liner

THERMAL BOOST: The Thermolite Reactor mummy sleeping bag liner, our lightest thermal liner, enhances warmth in a 1-season bag and increases insulation in a 3-season bag, perfect for cold conditions without adding weight. COMFORTABLE & STRETCHY: Made with stretchy Thermolite Pro fabric and infrared technology, this single sleeping bag liner offers exceptional comfort and increased insulation, making it more packable than fleece. EASY CARE & PORTABLE: The technical mummy shape with a drawstring hood ensures a snug fit. Machine washable with no special soap needed, it packs compactly into its own Ultra-Sil stuff sack. Length: 216cm. Width: Shoulders 80cm, Feet 55cm. BEST FOR BACKPACKING & CAMPING: Ideal for backpacking and camping, the Reactor portable sleeping bag liner adds warmth and comfort to your sleeping bag, keeping it clean and fresh with HEIQ Fresh bio-based odour control treatment. OUTDOOR GEAR THAT ENABLES FREEDOM: Sea to Summit stands as a testament to the boundless spirit of adventure, blending cutting-edge innovation with a deep commitment to empowering individuals to embrace self-reliance in any environment.