The name 6D is a reference to the engineering term 6 Degrees of Freedom, which refers to the ability to move 3 dimensionally in space about the Cartesian coordinate system of X, Y and Z, including rotation about each axis. 6D’s Omni-Directional Suspension system utilizes this term to maximize its ability to absorb and mitigate energy. 6D is committed to providing the public with superior safety helmets from both a technological and design perspective.