The humid conditions and rich soil in Egypt along the Nile River banks create the perfect conditions to grow long cotton fibers. âThe fibres of Egyptian cotton can range from 1 1/2 inches to 2 1/4 inches. Their long length is about twice the size of other cotton fibers giving it this unique characteristic.Since pure Egyptian cotton consists of finer threads, they can be woven into each square inch and produce a finer and more consistent finish, ending up as a softer and more flexible fabric. As well as this, since they've not been picked by machines the fibres are stronger and more resistant to stress.