Summit XPV DOT Modular Full Face One-hand operation thermoplastic alloy    modular shell Quick release face shield - easy on/off -    no side plates or pivots. Available in 7 colors. Ultra soft removable, washable      comfort fit liner in 6 sizes, XS-M and    L-XXL interchangeable. Fully vented; adjustable top and chin    vents, flow through rear vents.  *Note: Do not drive with chin bar in    open position