Synthetics are man made fibres ranging from simple nylons to very complex micro fibre materials intricately woven together. BNCB
Considerable work has also been undertaken to develop new blends using wool and experimenting with new man- made fibres and dyestuffs. BNCB
Man-made fibres and plastic sheeting have long since replaced the porous cambric or fine cotton linen which had been the standard material for sails over seven decades. BNCB