Choosing a Sleeping Bag

When choosing a sleeping bag there are a few essential things to consider. Start by asking yourself What will I use it for most? Look for a bag that suits that purpose.

This leads to Am I likely to get the sleeping bag wet? This question immediately brings you to the decision between purchasing a Synthetic Sleeping Bag or a Down Sleeping Bag.

Down Sleeping Bags pack smaller and are lighter but do not like to get wet. If you get a down sleeping bag wet they take a long time to dry and will not keep you warm while wet. Synthetic Sleeping Bags will dry quicker and keep you warm while wet and is more resistant to mildew etc. But is bulkier and usually heavier to get the same warmth as down.

Now ask yourself Do I sleep cold or hot? Select a bag with the right temperature rating for you, if you are a cold sleeper and you spend every night at home in bed with the electric blanket on, you need a bag that will give you a warm nights sleep. If you sleep with your feet hanging out of the bed cause your are too hot then a cooler bag will suffice because you do not want to be sweating all night long. Comfort is the key issue here. Comfort is the difference between a good trip and a nightmare.

Ok last question What size sleeping bag do i need? Make sure you select the appropriate size bag for you. There is nothing worse than getting out in the field and finding out your sleeping bag is too short or too tight in the shoulders. You need room to move but not so much that you are carrying half an extra bag around. Remember it is your body that heats the bag so it need to be just right.

Summary

If your are heading to the West Coast of the South Island for a fly camping expedition and that is what you do most then, a synthetic sleeping bag will give you better service, it rains a lot on the coast and if you don't have a bivvy bag or the like, your down sleeping bag will get ruined.

If on the other hand you spend most of your time in huts and you have a good pack that keeps things dry then a down sleeping bag would be ideal for comfort, weight and bulk.

Try your bag out at home for size and comfort, if it's not right any good shop will exchange it provided it's in shop condition.

Never sleep straight on the ground always use a sleeping mat. It's the loft of the insulation that keeps you warm, the underside of the sleeping bag always has the insulation compressed by your body weight and therefore turns into a heat sink. A sleeping pad/mat will stop this problem and keep you much more comfortable.