Q: Are raincoats often constructed of breathable? ¶
A: Yes, and waterproof fabrics such as Gore-Tex or Tyvek and coated nylons.
Q: Were raincoats stiff and heavy? ¶
A: Yes, and the Chinese eventually devised new approaches to design raincoats as time went on.
Q: Was a raincoat created following the patent by Scottish chemist Charles Macintosh in 1824 of new tarpaulin fabric? ¶
A: Yes, and described by him as "India rubber cloth," and made by sandwiching a core of rubber softened by naptha in two pieces of fabric.