Fibre knowledge usually stops at the wholesale invoice, and the customer never hears it. This article covers what to say about linen creasing, silk care and wool weight, both at the counter and on a product page. It sets out what a fabric description should contain, from composition and handle to occasion and care instructions. It explains why an honest description lowers returns rather than sales, and how to frame quality against the price band actually purchased, including the minor-irregularity standard that is normal in low-cost pronto moda.