
1) Technical fabric
Found on
https://www.crosswordclues.com/clue/windstopper

Windstopper is a fabric laminate made by W.L. Gore & Associates. It is similar to Gore-Tex, except that it is only windproof and breathable, not waterproof. One of the most common applications is a lamination with Polar fleece, since the lack of wind resistance is one of the principal drawbacks of that fabric. Windstopper garments are marketed as ...
Found on
http://en.wikipedia.org/wiki/Windstopper

Made by GORE. Windstopper is a membrane coated fabric constructed from polyester or polyamide in to allow sweat to be released as a breathable layer, whilst also preventing wind from entering by the use of pores that are small enough to vent sweat molecules, but too small to allow wind to permeate.
Found on
https://www.encyclo.co.uk/local/23307
No exact match found.