Cross-country helmets are also very common in the market now, and many people like this helmet very much because of its superior performance. Many novices don't know what choice skills they have in the purchase process, so they have taken many detours. We share some purchase skills here. In the process of purchasing, we must choose carefully, don't fall into the price trap, and make effective purchases according to our actual needs, which may cost a lot, and the purchased products are not the most suitable for us. Only by purchasing products with appropriate price/performance ratio is it a successful purchase behavior. In addition, before buying, we must compare in many ways, so that we can know what kind of market the products are in. In this way, we can get a better understanding of the characteristics of products from different manufacturers, which can also play a certain auxiliary role in our decision in the process of purchasing. There are many skills to pay attention to when buying off-road helmets. We must choose carefully, avoid the price trap as much as possible, and fully understand the product performance through multi-party comparison, so that we can better buy products suitable for ourselves. Otherwise, it may cost a lot, but we cannot buy products with appropriate cost performance, which may also have an impact on the use.