WEAR A LONG SCARF TURBAN - This version is by far with the most volume! And to achieve that, you really have to have a base underneath, and that, this time is a must, is another scarf underneath. 

1. Pull your hair up high in a bun. 
2. Tie a knot of a longer scarf at the top front of your head. Wrap one loose end of the scarf around your head. 
3. Tuck it in the pockets under the knot. 
4. Take the second loose end of the scarf and fold it over the knot. 
5. Tuck the second loose end into the pockets but leave the fringes loose and hanging. 
6. Tie another long scarf with the knot at the back or an a side. 
7. Tuck in both loose ends anyway you desire.
8. Voila! 

Fluff the scarf to get the volume. Here too, you may have additional scarf underneath, that is not necessary but it will get you great volume.