Hennessy Hammock Hennessy Jungle Expedition Zip. Includes a side entrance zipper closure with strong #10 zipper and two double sliders. The Jungle Zip also includes a 100percent mosquito-proof double bottom with two layers of tightly woven 40D nylon. Materials: 30D No-See-Um netting (Mesh) and 70D polyurethane coated polyester ripstop (Rain fly). Package Contents: Hennessy Hammock Hennessy Jungle Zip Hammock The Hennessy Hammock Hennessy Jungle Zip Hammock is a quality addition to the Hennessy Hammock lineup. For more great deals on Camping Gear by Hennessy Hammock please browse our Hennessy Hammock Camping Gear page.