GIRO REGISTER MIPS MAT BLK UAThe Register MIPS helmet combines sleek design and lightweight construction to match your style, on the road or trail. Available in Universal Fit and extra large size with our convenient Roc Loc Sport MIPS fit system, the Register MIPS adjusts with a simple turn of the dial so you can tune the fit in seconds. A range of colors lets you choose exactly how your on bike style comes together. Register MIPS models also have an integrated Multi Directional