Sea To Summit Thermolite Reactor Extreme Liner

The lightweight Sea to Summit Reactor Extreme liner adds up to 25degF of warmth to a sleeping bag. Or, it can be used alone for warmer conditions.. Made from Thermolite, a hollow core fiber that provides extraordinary warmth for its weight and remains extremely breathable Adds up to 25degF of warmth to a sleeping bag. Or, it can be used alone for warmer conditions.. Contrasting color along the top edge makes it easier to find the opening. Lighter weight and more packable than fleece. Mummy shape with a box foot. Drawcord hood with mini cord lock. Packs into its own Ultra Sil stuff sack. Contrasting color along the top edge makes it easier to find the opening. Lighter weight and more packable than fleece. Mummy shape with a box foot. Drawcord hood with mini cord lock. Packs into its own Ultra Sil stuff sack