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Denier (or D) can be roughly defined as the diameter (thickness) of the thread used to weave the textile,
and this approximation is acceptable for everyday use. However this is not strictly correct in the technical sense.
An excellent full definition of denier can be found here.
A textile can be defined as a fabric or cloth created by either weaving or knitting (also crocheting & felting)
with a thread, fibre or yarn.
Breathability is about water vapour evaporation, not breathing ! For a technical definition go to the BSI (British
Standards Institute) website; our textiles comply with
BS3424 (water vapour permeability).
We also use two plastic materials, for which thickness is defined in
microns. A micron
is 1/1000th of a millimetre; for comparison, a human hair is about 100 microns. For true English we also
show the approximate 1/1000th of an inch equivalent !
These plastics are 100% waterproof (ie completely impervious to water) and therefore not breathable.
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