Brand: Zamp Manufacturer's Part Number: H766003L Part Type: Helmets Product Line: Zamp RZ-60 Helmets Summit Racing Part Number: ZSC-H766003L UPC: 873895031875 Helmet Type: Full Helmet Size: Large Snell-Approved: Yes FIA-Approved: No DOT-Approved: No ECE-Approved: No SFI-Approved: No Snell Rating: Snell SA2020 Helmet Base Color: Black Helmet Finish: Gloss Fresh Air Compatible: Yes Helmet Primary Color: Black Helmet Graphic Style: None Helmet Shield Included: Yes Vented: Yes Removable Lining: Yes Circumference: 23.620 in. Hat Size: 7 1/2 Helmet Shield Color: Clear Visor: No Helmet Liner Material: Fire-retardant fabric Quantity: Sold individually. Zamp RZ-60 Helmets Zamp RZ-60 helmets utilize an aramid mix shell that is lightweight and plush fitting. The stylish shell design gives lower coverage in the chin area. Ear cups and ear pads are included， allowing you to customize your helmet to hear what you need to hear. This model is a classic design that will work for many racers―at a great value for an aramid shell helmet. The air system allows you to run natural air， forced air， and air plugs in the top air inlet. Also， the chin bar features open-air venting， as well as a hydration hole/plug front and center. The interior is a plush fire-retardant， ultra-soft fabric， with an EPS chin bar foam. RZ-60 helmets include M6 inserts for head and neck restraints.