The Sea to Summit Thermolite® Reactor Compact Plus Sleeping Bag Liner increases sleeping bag performance by up to 11°C with its dual weight Thermolite® fabric. Specific panelling of 110g/m² Thermolite® in core body and foot bed areas retains heat, while the ergonomic design shaves off excess weight for a snug fit. Ideal for gram counters under 6ft tall. Features Adds warmth to a sleeping bag Lighter weight, more packable than fleece Mummy shape with a box foot Draw cord hood with mini cord lock Packs into its own UltraSil® Cordura® stuff sack Machine washable 110g/m² Thermolite panels in core body and foot areas Colour: black and red Dimensions and Weight183 x 90cm263g Sea to Summit Thermolite Reactor Compact Plus Sleeping Bag Liner - Short