Sea to Summit Reactor Mummy Sleeping Bag Liner with Drawcord

Extra warmth: Adds extra warmth to your sleeping bag in cold conditions, thanks to Thermolite® Pro fabric with heat-reflecting pigments. Comfort & movement: Mummy shape with shoulder and footbox openings allows for arm movement and ventilation, while the stretch knit fabric moves freely with you. Convenient features: Drawcord footbox lets you adjust ventilation and even walk around camp comfortably (perfect for bathroom breaks!). Integrates with Sea to Summit Free-Flow Zip System in compatible bags. Long-lasting freshness: HeiQ Fresh odor control keeps the liner smelling fresh, even after extended use.