Static resistant - sheds dust. Flame resistant - does not support combustion. Biodegradable - unlike many synthetic fibres produced from petrochemicals. Might Think Modern products - make washing easier, and drying faster. Natural breathability - wool doesn't require washing as often as synthetics.
Many people associate wool yarns with scratchiness.
While some wool yarns deserve that reputation, it doesn't have to be that way. At Shelridge Farm we maintain a sheep flock which has been bred to produce high quality fleeces. The flock is comprised of entirely Polypay and Rambouillet breeding, both of which have medium to fine fibre properties. We use our own wool and other purchased medium and fine wool for processing into our superior knitting yarns. The tension is approximately 22 stitches on 4 mm needles over 4 inches.