Right now is the good time for skiing, and the major ski resorts are also beginning to lively. How to choose ski helmets and ski goggles as safety equipment?

Ski helmets: beware of unscrupulous merchants who are shoddy

A ski helmet generally consists of a shell, a main body, an inner lining, an adjuster, a fixing device, a buckle, and a glasses buckle. As the main structure of the key part, it mainly absorbs the energy at the time of impact. Generally, the material of the main body is EPS (expanded polyethylene), which is similar to the packaging foam plastics usually used. There are two main types of EPS. One is white material, which is produced domestically, and the other is black material. More than 90% of EPS are produced abroad, but it is rare in China. The price of black material is more than three times the price of white material. The high-end ski helmets basically use black materials.

From the protection scope of the helmet, it is generally divided into CLASS B, that is, the earmuffs are soft, and CLASS A helmet, that is, the earmuffs are hard. CLASS B helmets are mainly used in ordinary skiing, and CLASS A helmets are mainly used in competitions. While alpine skiing is faster, CLASS A helmets are generally used, while cross-country skiing mainly uses ordinary CLASS B helmets.

Ski goggles: expensive is not necessarily good

In addition to ski helmets, ski goggles are also indispensable equipment in ski sports. Most ski goggles use PC lenses, which have the advantage of increasing the rigid impact of the lenses, reducing the weight of the lenses themselves, and increasing the clarity of vision. custom ski goggles。 Nowadays, some brands of snow glasses also use NXT as the lens material. The impact force far exceeds that of PC. At the same time, the weight is lighter and the clarity can achieve optical effects. It is currently the best lens. Since the white snow will reflect strong ultraviolet rays, which is extremely harmful to human eyes, another function of ski goggles is to filter ultraviolet rays. In the process of skiing, due to exercise, the face will sweat and generate heat. Because the outside temperature is relatively low, it is easy to produce mist on the inside of the ski goggles. Qualified ski goggles will be treated with anti-fog coating on the inside of the lens to reduce the generation of fog and ensure the clarity of the lens. In addition, all ski goggles have single or multiple layers of sponge on the inside of the frame. The sponge is used to ensure that when an object collides with the ski goggles, it acts as a buffer.

When choosing ski goggles, you must first choose a double-lens snow goggles to check the clarity and color reproduction, and then check whether the snow goggles are veneer, because some types of snow goggles have large gaps and are easy to enter the wind. Produce mist. The price of ski goggles varies according to the material, function and brand. For beginners, it is more appropriate to choose a ski goggles with a lower price. When the level reaches a certain level, choose a ski goggles with a stronger function ( Such as color changing function, etc.)

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