The Leatt MTB Gravity 1.0 is a full-face helmet with solid protection. The focus of this helmet is premium safety and great value. Featuring 360degree Turbine Technology, the helmet is lined with turbines which are 360degree moving discs constructed from an energy-absorbing shape and material, this tech has two exclusive advantages, namely the reduction of rotational acceleration to the head a and the absorption of energy upon impact Air vents are not covered, which make this helmet well ventilated. Ideal for warmer downhill or bikeparks days. Get full face head protection at an amazing price. Downhill certified ASTM polymer Great ventilation 360 degree Turbine Technology Reduced peak acceleration by up to 30% at impact speeds Reduces peak rotational acceleration by up to 40%breakaway visor function for additional rotational impact force reduction Double D ring chin strap Impact foam for superior energy absorption Washable inner liner Optimal neck brace compatibility Certified and tested: AS/NZS 2063:2008, ASTM F195210, EN1078, CPSC 1203