Patented 370 Speed Dial™ ratcheting headgear system The removable Comfort Cradle is a pivoting headpad that conforms to any head for the highest degree of comfort 3-position slider adjusts distance of the lens from your eyes for precise vision Crown Strap Adjustment - allows the headgear to be raised or lowered for maximum comfort and performance Sweatband helps absorb perspiration and prevents sweat from interfering with vision Vertical lock-in eliminates helmet creeping Lock-Nut feature keeps the components together even when bracket is loosened Compatible with Translight 455 Flip and Translight+ 555 helmets ONLY