Since it is necessary to select the full helmet of motorcycle helmet, its protective performance must be considered. Moreover, the daily running speed of motorcycles is very fast. Once a collision occurs, helmets are an important protective measure, which can really protect our heads and avoid some dangers. Therefore, when purchasing this kind of helmet, we should pay more attention to its protective performance. Determine if there is a test report No matter what type of motorcycle helmet full helmet, it is necessary to have the test report of relevant departments, and only by purchasing qualified products can the safety of good use be guaranteed. Therefore, no matter how to choose helmets, we should consider their specific quality, and it is also very critical to choose suitable brand products. If it is purchased through the Internet, we should pay special attention to the test report of its brand, so that we can purchase a guaranteed helmet. Determine the production material Because the motorcycle helmet is made of different materials, it will definitely affect the overall application effect. Moreover, whether the helmet is resistant to impact and deformation, and whether it can guarantee the wearing comfort, has a great relationship with its material. Therefore, in addition to paying attention to the basic impact resistance test report, we should also determine its material conditions, and choose helmets with guaranteed materials and stronger stability, so that everyday cars will be more reassurin