Pinwale has the second narrowest ridges of the corduroys, with featherwale being the narrowest. Pinwale can have between 16 and 18 (or 21) cords per inch. There is some discrepancy in sources as to the number of wales per inch.
Needlecord and pincord are other names for this finely ribbed corduroy.
Uses: Dresses, shirts, sportswear, slacks