The color(s) red, blue, green and yellow depecting an X and letters in black is/are claimed as a feature of the mark.
The mark consists of four arrows, one red, one blue, one green, and one yellow, forming a transparent plus sign in the middle all resembling the letter "X" to the immediate right of which is the wording "ERO" in black altogether forming the wording "XERO".
The wording XERO has no meaning in a foreign language.