Sleeping under the sky in the open is very thrilling. All that one requires is a comfortable bed, bed sheets, blankets and a pillow. But taking all these with you to the place where you intend to sleep out is indeed a cumbersome job. But the sleeping bag is what you need instead. A sleeping bag looks a lot like a zipped up bed. It provides comfort, insulation and the warmth. The main appeal of the sleeping bag is that it can be carried easily with the backpack. It retains the heat inside while preventing the chill from entering. It protects the user from the outside and from the wind. Insulating materials are used in the manufacture of sleeping bags. The insulating materials used are synthetic fill as PrimaLoft, or down, wool or cotton. The down or synthetic sleeping bags are favored by campers. The absorption of water is minimal and the insulation is good. The sleeping bag can be folded. It is possible to compress the down fill bag and retention of heat is better. However, the down sleeping bag is costlier than the synthetic bags. Continue reading →