No, the snowflake logo on the underwear is not infrared. The snowflake logo is one of the trademarks of various underwear brands. It is just a logo used to represent a specific brand or product. Infrared is a type of electromagnetic radiation that cannot be directly seen by the human eye, but can be detected by some specific equipment and sensors. Infrared rays are widely used in industry, military, medical and other fields, but they are not directly related to the snowflake logo on underwear.