waht is Sleeping Bag

Getting a Sleeping Bag comfortable night’s sleep in the great outdoors can be pretty tough without the right sleeping bag. Not only do sleeping bags help insulate you from the cold, they also help seal in body warmth, which means choosing the appropriate temperature rating is extremely important, especially in colder conditions. When it comes to maximum warmth with minimal weight, nothing beats the mummy bag, which has a tapered, body-hugging design to minimize heat-robbing air space inside. Of course, for maximum comfort in milder conditions, a rectangular bag is a great way to go. Check out our awesome deals on sleeping bags from Marmot, Mountain Hardwear, Big Agnes and more, or take a look at our Sleeping Bag Guide for more tips and advice.
tiny pods of light, fluffy filaments that line the underside of waterfowl feathers. Down is harvested from ducks and geese that are being prepared for sale as food. All down fills also contain some feathers and feather fibres.

Both duck and goose down in the construction of its down sleeping bag. The quality of down doesn't depend on the bird species it comes from, but on the bird's environment and maturity. Birds respond to colder, wetter conditions by growing fluffier, warmer down. White or grey down has the same performance. For purely cosmetic reasons white is more expensive than grey. It can be used in light weave or translucent fabrics without showing through.

When it Sleeping Bag gets wet, down insulation is compromised. In damp conditions, a waterproof-breathable shell fabric can protect sleeping bags or jackets from external wetness. In cold climates, a vapour barrier sleeping bag liner keeps internal moisture out of the down fill. In consistently wet conditions, it can be very difficult to keep down dry, in these circumstances, a synthetic fill may be the best option.Down bags have a fill rating that indicates the amount of volume one ounce of down occupies. The higher the fill-rating, the loftier the down. It provides more warmth with less weight.

Sleeping Bag - SP-1311-A