Self inflating mat

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Self inflating mats are a step above a roll mat.

They are basically a very thin air bed with a bit of foam, the layer of air in them gives some insulation from the ground making for a comfortable nights sleep.

The mat comes rolled up and packed down tiny. In undo the valve, unroll it and leave it for a short while and it inflates it self, you then give it a few puffs and it's fully inflated. In real life you just blow it up like a balloon until it's hard enough and shut the valve.

Much like sleeping bags there are loads of brands, however there is a king brand, Therm-a-rest. They are the people who developed the technology and the people who make the best mats still today. They cost a small fortune but have a very good life time guarantee, something no other manufacturers seem to offer.

Alpkit make some know as erics, they offer a really good nights sleep until they leak which normally happens within 2 years. They are also about half to a third of the price of a Therma-A-Rest original, so they are worth keeping in mind!