The Ember Underquilt from Eagles Nest Outfitters insulates beneath you and your sides where the loft of a sleeping bag is compressed and ineffective. In addition to providing insulation around you, the Ember provides an effective barrier from the wind. The edge closure system allows you to close the underquilt around you. Universal fit make the Ember blanket compatible with any backpacking, camping style hammock. Silnylon stuff sack is included.