For the moisture-proof mats, warmth degree、weight、comfort degree、durability and size are important, in that order. However, for a climber, having a good sleep at night is a matter of the key importance, that’s why it is crucial obtaining a good mat.
So, what are the sort、functions、merits and drawbacks moisture-proof mats？
Functions of mats：
2. Keep warm
Merits: comfortable, and softness adjustable, relative cheap.
Drawbacks: too heavy、not big by rolling、easy broken，and is unable to provide good warm keeping effect. Besides, hard to inflate.
Opened Gas Chamber
It is made up of a foam material like sponge.
Merits: cozier、lighter、cheaper、warmer than air mats.
Drawbacks: worse moisture proof ability, not suitable to use in damp environment, worse compression ability, not portable, relative short usage life.
Closed Gas Chamber
It is made up of a foam material consisting of a large amount of tiny closed gas chambers.
Merits: cheap、excellent insulators、light and thin、good moisture proof.
Drawbacks: relative uncomfortable because of thinness.
Close the opened gas chamber in a waterproof Nylon shell, expand automatically when in use.
Merits: as cozy as the opened one, waterproof, moisture proof, and gas volume adjustable.
Drawbacks: relative expensive price, easy to break, big volume, inconvenient keep are also exist.
Aluminum film moisture proof mats:
Made up of EVA foam
Merits: light and thin, cheap, good moisture proof and coziness.
Drawbacks: easy to break, some are thin.