The color(s) blue, gray, white, and black is/are claimed as a feature of the mark.
The mark consists of the letter "S" in a stylized font with the upper curve of the "S" fading from white to blue, then white to gray and having a black underline on the bottom of the upper curve of the "S" and the lower curve of the "S" fading from gray to white and back to gray and having a black underline under the top of the lower curve of the "S", an upper insert within the upper curve of the "S" fading from white to blue, and a lower insert within the lower curve of the "S" fading from blue to white.