A thermally insulated, moveable bedding resolution designed for low temperatures, sometimes used for tenting, backpacking, or different out of doors actions. These vary from easy, light-weight designs for hotter situations to extra complicated, closely insulated fashions for excessive chilly. A typical instance features a sturdy outer shell, a heat interior lining, and sometimes a hood or zippered closure to entice warmth successfully.
Sustaining thermal consolation throughout sleep in difficult environments is essential for well being and security. Hypothermia poses a big threat in chilly situations, and correct insulation is significant for stopping it. Traditionally, varied supplies like animal hides and woven materials served this function. Trendy supplies like down, artificial fills, and superior shell materials present superior efficiency, lighter weight, and enhanced sturdiness. These developments have made comfy sleep doable in even probably the most excessive chilly, increasing the chances for exploration and journey.
