Brand: Zamp Manufacturer's Part Number: H753C2454 Part Type: Helmets Product Line: Zamp RZ-42Y Youth Helmets Summit Racing Part Number: ZSC-H753C2454 UPC: 873895024891 Helmet Type: Full Helmet Size: Youth Medium Snell-Approved: Yes FIA-Approved: No DOT-Approved: No ECE-Approved: No SFI-Approved: No Snell Rating: Snell CMR2016 Helmet Base Color: Graphic Helmet Finish: Gloss Fresh Air Compatible: No Helmet Primary Color: Graphic Helmet Graphic Style: Zamp orange/Blue Helmet Shield Included: Yes Vented: Yes Removable Lining: Yes Circumference: 21.250 in. Hat Size: 6 3/4 Helmet Shield Color: Clear Visor: No Helmet Liner Material: Fire-retardant cotton Quantity: Sold individually. Zamp RZ-42Y Youth Helmets Zamp RZ-42Y youth helmets provide the ability to run a forced air accessory option. Each of the helmets features a top air intake vent， plus chin bar vents―and they're available in solid colors， as well as vibrant graphics to keep your young racer cool and looking good.Zamp RZ-42Y youth helmets feature:* Smaller shell* Composite Kevlar? mix lightweight shell* Plush fire-retardant interior* Z-21 Series 2.5mm clear shield * Removable/washable comfort liner* Snell CMR2016 Standard