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Thread: Does the team think!

  1. #1
    Native Old Guard's Avatar
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    Does the team think!

    There was a radio show entitled, "does the team think" and listeners sent in questions which were answered by a team of 'experts'.

    Well sometimes we know things, but we don't know why!! we just take it on faith ... e.g. don't touch bare electic wires !!

    So can I ask - we often hear the phrase "Cotton Kills", in conection with Camping / Mountaineering circles

    Can the 'Team' (you guys) give the technical reason for this and how relevant it is in the UK ?

    OG
    * LIFE IS GOOD *

  2. #2
    Moderator & Poshcrafter™ Martin's Avatar
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    Cotton absorbs moisture and holds it, taking ages to dry. This moisture draws heat away from the body thus leading to the onset of hypothermia.

    It's as simple as that.

    Martin
    Sometimes your joy is the source of your smile, but sometimes your smile can be the source of your joy.

  3. #3
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    With the added effect of evaporation taking yet more heat away
    [

  4. #4
    Ent FishyFolk's Avatar
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    Quote Originally Posted by Martin View Post
    Cotton absorbs moisture and holds it, taking ages to dry. This moisture draws heat away from the body thus leading to the onset of hypothermia.

    It's as simple as that.

    Martin
    ...while for example wool retains it's insulating effect even when wet, thus it will still do the job of keeping you warm. It can actually absorb 30% of it's own weight in water before it feels wet. And it has a wicking effect that helps remove water (sweat for example) away from your body, thus keeping you warm. While cotton will just keep it there.

    Good article here...
    http://adventure.howstuffworks.com/o...l-when-wet.htm

    The only reason I sometimes prefer modern fleece over wool is that wool is heavy. And most of the time my thick and warm stays in the bag....
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