Sleeping bag

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Sleeping bag

A Sleeping bag (/ˈsliːpɪŋ bæg/) is a lightweight, portable bedding item typically used for camping, hiking, and other outdoor activities where traditional bedding is not feasible.

Etymology

The term "sleeping bag" is derived from the bag's function and design. It is a bag that is designed for sleeping. The term has been in use since the late 19th century.

Description

A sleeping bag is designed to provide warmth and thermal insulation. It functions by trapping and holding a volume of dead air (non-circulating air) that subsequently warms up and provides insulation. The bag itself is typically made of a durable, water-resistant material to protect against moisture and other outdoor elements.

Types of Sleeping Bags

There are several types of sleeping bags, each designed for specific conditions and uses. These include:

  • Mummy bag: This type of sleeping bag is designed to be snug, providing maximum warmth with minimal material. It is typically used in colder conditions.
  • Rectangular bag: This type of sleeping bag provides more space and comfort, but may not be as warm as a mummy bag. It is typically used in warmer conditions.
  • Double bag: This type of sleeping bag is designed to fit two people. It is typically used for couples or families camping together.

Related Terms

  • Sleeping pad: A sleeping pad is used underneath a sleeping bag to provide additional insulation and comfort.
  • Bivy sack: A bivy sack is a waterproof cover for a sleeping bag, providing additional protection from the elements.
  • Sleeping bag liner: A sleeping bag liner is a removable and washable layer that goes inside a sleeping bag for added warmth and cleanliness.

External links

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