When choosing pants, you can give priority to Class A pants, because the material of Class A pants is healthy and safe and has no irritation to the skin, while the material of Class B pants may contain some harmful substances and have certain irritation to the skin.

At the same time, when choosing pants, we should also pay attention to the style, material and workmanship of pants, and choose pants that suit us to achieve better wearing effect.

The above content is all-pass police information about pants A and B, not as guidance and suggestions, but for your reference only. Please pay attention to your physical condition at any time. If you feel any discomfort, I suggest you seek professional help in time, consult a doctor online or go to an offline medical institution for treatment.