This is what we call fibres that come from the first shearing of a sheep or lamb. They have been neither spun nor felted nor part of any other finished product, and contain no more than 0.3% of impurities.
Waistcoat
Since its inception in the 18th century, this descendent of the doublet has lost its sleeves and few centimetres, but has preserved a certain refinement. Worn under a jacket, it becomes the capital element of a man’s three-piece suit.