3 Buttons, Super 150's Extra Fine (Lightes and Softest and The Finest on the planet. - Made in Italy. Super 150's Wool = You can probably guess !!! Yet, even softer Than super 100�s and 120�s. Here you are talking about \"Celebrity Status.\". Here is where you start getting into high-quality. The difference between a Super 150's Wool and a Standard Worsted Wool is that the wool in a Super 150's Series is softer, Lighter and higher quality, and lies and drape nicer on the contours of your b