So many people ask this, so I thought I'd post this explanation. I have also published a more detailed BLOG site about the Magic of Wool.

Wool is absorbent, but absorbs very slowly. Because of the body heat of your baby, and the warmth of the wool, it also evaporates, and with a well lanolised cover, this happens at the same rate as it absorbs.

When evaporation takes place, the wet is turned into gasses. Most people think this will be steam, but in fact it's not. Steam is created when evaporated water condenses again, and this happens when the air containing the evaporated gasses, hits something cold, and there is enough wet in it to saturate the air. (This is called the dew point)

If you have a PUL wrap, the inside of the PUL will not let the wet get any further, so the amount of evaporated gasses builds up, and also because PUL has a cold feel, the saturated air will cause wet to condense again, and get absorbed back into the nappy. This doesn't happen with wool, because it is warm, and can breath, so "dew point" is never reached, and  the gasses continue one their journey, unrestricted by the wool , baby clothes, bedding etc. It will finally condense possibly when it hits the window of your baby's room in winter, but basically the amount of wet in the air never gets high enough to cause a dew point.

If you are still sceptical, why not try one out with our Soaker trial

Wool does need relanolising now and again, but ths is a very simple process if you use Instant Soluble lanolin 



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