The Aulon can be worn as hat or neckwarmer. Take out the drawstring and voila, instead of wearing it on your head it can warm your neck now.
The pattern includes instructions for 3 sizes (adult, child, baby). It is very flexible and designed to sit loosely on your head like a slouchy.
Finished measurements (circumference x height)
adult:50x30cm / 20x12 inch
child: 44x25cm / 17.6x10 inch
baby: 37,5x21cm / 15x8.4 inch