Speed and Strength SS1700 Lock and Load HV Modular Helmet Features: A.T.P.A. Advanced Thermo-Poly Alloy Shell Meets or Exceeds DOT and ECE 22-05 Standards Cool-Core Removable, Washable and Moisture Wicking Liner Airstrike Direct Course Ventilation System Lock N Load Plus Rapid Conversion Shield Replacement System All Clear! Sight System Optically Correct, Anti-Scratch, Anti-Fog and UV Resistant Face shield DVD Drop Visor Design Note: Helmet ships with clear face shield only. Helmet may come with a quick release chin strap or a double d-ring strap. The SS1700 runs slightly large. If you are between sizes, select the smaller size.