Attention: Burton Snowboards & Gear can be shipped only within the United States and Canada. Burton R.E.D. Frequency Maximum overdrive. Sleek street-racer styling and the ultimate in lightweight in-molded construction set a new standard for high-tech protection. The Burton R.E.D. Frequency helmet cools down your hot noggin' with the ClimaControl Ventilation System, while the MC2 Mechanical Fit and Comfort System and SoftFIT Comfort Liner provide the ideal, comfortable fit. The Zip Clip Ratcheting Chin Buckle makes the Frequency easy to put on and remove. Features: ClimaControl™ Ventilation System MC2™ Mechanical Fit and Comfort System SoftFIT™ Comfort Liner Vent Plugs Removable Goggle Gasket Audex™ Ear Pad Accessory Compatible Ultra Lightweight In-Molded Polycarbonate Shell Quick Clip™ Ear Pads Zip Clip™ Ratcheting Chin Buckle ASTM 2040 / CE 1077 Certified