The NestLength: 78 inches (1.98 m)Width: 48 inches (1.22 m)Loft: 2.5 inches (6.4 cm)Material: 1.1 ounce, 30 denier, ripston nylonWeight: 22.5 ounces (0.64 kg)Temperature Rating: 25° – 30° F (-4° C)No more wrestling with pads inside the hammock. No more waking up cold in the middle of the night. The “Nest” under quilt retains the convenience of the Hennessy bottom entrance with a split entrance w/non-snagging, mixed hook & loop (fastens to itself) that attaches to the Hennessy’s entrance hook and loop. The “Nest” attaches to the hammock in under a minute without sewing or special hardware. It comes with a and the improved foot end draw cord modification to assist in elimination of the dead air pocket that sometimes is experienced under the legs. Includes a 1.2 oz. .Note: The “Nest” was specifically designed for the Hennessy Ultralite Backpacker A-sym with the bottom entry. However, the design of the suspension system and the mixed hook & loop closure on the slit allows it to fit all bottom entry, asymmetric Hennessy hammock models and most other lightweight camping hammocks.Activ-dri down™ – Activ-dri™ is a hydrophobic down treatment that keeps the down drier, while having no adverse effects on loft, fill power, or warmth retention. Activ-dri down is still down insulation and should be protected from direct exposure to moisture. All types of insulation, whether down or synthetic, will degrade in insulation capability if wetted.