Nylon

From LSWiki

Nylon

   Phase: Solid
   Rarity: Very Exotic
   Properties: Cloth, Flexible, Insulating, and Soft

   Nylon is an alchymical combination of silk and plastic that results in a
stretchy, insulating cloth.

   Development Information: The black nylon material was created by Twilight;
the source code was last updated Tue Mar 15 02:18:46 2016.

This probably should have the Polymer property too.