Explanation of the Inverted Bob Haircut

Here is a great explanation that I found, written by Lynne  Chapman, BellaOnline's Hair Editor.  Lynne's full article includes photos and a write up about hair color

The inverted bob cut:

The nape section (That’s the hair at the lowest part of your scalp where it becomes your neck.) is trimmed into a curve that gently encircles the neck.

It is shorter in the center back, with a length of about one inch. It is tapered and stacked to give it 'poof' in the crown. Many of the previous bob hair cuts were flat in the crown.

You will notice that the nape area is not tapered so much that it appears thin, but is left heavy and soft. Following the curve, this area is graduated up into the shortest layer in the crown. The shortest layer of the crown is at the level of the occipital bone. (That’s the bone that bulges out and forms the shape at the back of your head.)

The short hair at the center nape gradually gets longer, blending into the longer sides.

The longer hair at the sides begins about ½ inch behind your ear. These sides are texturized so that they fall forward in pieces instead of the solid curtain of hair that is found in previous bob cuts.

Looking at the back of the style, you will notice that all of the lines in this style form a horseshoe shape.

Wear this bob style curved under, as shown, or tuck the sides behind your ears. They are conveniently long enough to stay put. Another variation is to pull all of the top and sides back into a short pony tail. Leave out any hair that is not long enough to make it to the pony tail. Form an even part between the long and the short areas for an attractive finish.

Source: BellaOnline