Details Sea to Summit Reactor Extreme Sleeping Bag Liner - Mummy w/ Drawcord When the temperatures plunge, add some extra insulation to your night's sleep with a Reactor Extreme sleeping bag liner. The comfortable, hollowfibre stretch fabric uses Thermolite® Pro infrared technology to reflect heat back to you while you snooze. The Reactor Extreme can offer a thermal boost of up to 15% while remaining breathable and fresh, thanks to a HeiQ Fresh eco anti-odour treatment. Weight: 383 g Mummy shape with drawcord - allows you to open or close the footbox for temperature control HeiQ Fresh FFL bio-based anti odour treatment Thermal boost: 3-season sleeping bag: 7% | 1 season sleeping bag: 15% Dimensions: Width: 80 cm Length: 216cm Material: Thermolite® Pro/Thermolite® EcoMade recycled fabric blend Specifications Reactor Extreme Sleeping Bag Liner