A stretchy, knitted liner designed to gently hug the body. This liner will significantly boost the thermal properties of your sleeping bag. Soft to the touch, the Thermalon fabric features a strong wicking action to ensure you stay dry and warm. Features: 100% Polyester Significantly boost the thermal properties of your sleeping bag strong wicking action to ensure you stay dry and warm Comes with a stuff sack Weight: 16oz (460g) Dimensions: 85 x 28in (215 x 72cm) Pack Size: 7 x 4in (19 x 10cm)