Spun or Cut Silk – silk with shorter fibers, often ones taken from the inside portion of the cocoon which is considered the weak part. It is generally rougher to the touch than thrown/reeled silk and has less elasticity. It is also typically made from the silk filament threads of wild silk.
Noil – typically called "raw silk" although it is not really raw silk. It is a weak type of silk made from waste silk and does not wear well but it does take to dye well. It not suitable for silk bedding.
Charmeuse – a type of silk that can be either satin charmers or crepe charmers depending on how it is woven. It drapes well and has a nice luster to it. It is a popular choice for silk bedding.