Features1Made of high-strength, high-density PC + EPS housing, lightweight and impact-resistant. 2The lightweight design reduces wind noise, fully considering the pressure of the rider's head for a long time, especially the use of high-density EPS material, lightweight design, ensuring safety and comfort. 3Diversion and drag reduction design, with ventilation holes, intake and exhaust ports are designed to ensure sufficient ventilation to keep cool. Passed CE safety certification, better head protection, insect net design, safe shock absorption. 4Head circumference adjustment system. The shrinkage of the rotating buckle can adjust the buckle in the helmet to meet the riders with different head circumferences and achieve a comfortable and fixed effect. 5Multipurpose. It can be used as a mountain bike bicycle helmet by putting on the brim. It can be used as a road bike helmet after removing the brim. It is convenient and fast.SpecificationApplicable gender: for men and womenApplicable age: adultSize: one sizeWeight: 248gMaterial: PC + EPSSize: about 330mm * 160mm * 22mmProcess: one-piece moldingPackage List1 pcs Cycling Helmet