We do custom headset installs! Give us a call for full details and pricing! All sales are final once headset is installed in helmet. Since 1971, HJC has specialized in manufacturing motorcycle helmets exclusively. The combination of this extensive specialized manufacturing experience, innovative ideas, and reasonable pricing resulted in HJC’s success in worldwide markets. It is HJC’s continual goal to provide high quality, comfortable, and reasonably priced helmet to motorcyclists around the world. Cutting edge open face design with inner sunshield. Advanced Fiberglass Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology. For more comfortable fit, FG-JET comes in 3 different shells: 1st. shell for XS-S sizing, 2nd. for M-L sizing and 3rd. for XL-2XL sizing. UV-Treated Faceshield. SilverCool™ Interior: Moisture-wicking and odor-free liners wh advanced silver anti-bacterial fabric. Crown and cheek pads are fully removable and washable. QuickSlide™ Shield Replacement System: Quick, secure, tool-less removal and installation. 3D Anti-Scratch clear shield. "ACS" Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out. DOT Approved Size Hat Size Measurement (in) 2XS 6 3/8 - 6 1/2 20 - 20 1/2 XS 6 5/8 - 6 3/4 20 7/8 - 21 1/4 SM 6 7/8 21 5/8 - 22 MD 7 1/8 - 7 1/4 22 1/2 - 22 7/8 LG 7 3/8 - 7 1/2 23 1/4 - 23 5/8 XL 7 5/8 - 7 3/4 24 - 24 3/8 2XL 7 7/8 - 8 24 3/4 - 25 1/4 3XL 8 1/8 - 8 1/4 25 5/8 - 26