One of the worse things might happen when you sleeping outside are the cold breeze. If you are using hammock, cold breeze will be able to penetrate the hammock from beneath it. In order to prevent this discomfort, you need hammock underblanket. It is designed with additional insulation to prevent cold breeze penetrating the fabric easily. Although it uses additional layer for insulation, you will still be able to sleep comfortably. Main fabric material is uses micro diamond innovation. This material is not only able to support your weight, but also prevent the heat air inside hammock from escaping. Sleeping outside with hammock underblanket will be a memorable experience if you use the Snugpak product.