The claim of antibacterial activewear is not entirely absurd, as some materials have been shown to possess antibacterial properties. Materials like silver, copper, and certain synthetic fibers can inhibit the growth or kill bacteria. These materials can be incorporated into activewear to provide some level of protection against bacteria.

Several studies have demonstrated the effectiveness of antibacterial activewear in reducing bacterial growth and odor. For instance, a study published in the Journal of Applied Microbiology found that silver-treated sportswear significantly reduced the presence of bacteria on the skin after exercise compared to untreated sportswear. Another study in the American Journal of Infection Control reported that copper-infused workout clothing reduced odor-causing bacteria and improved fabric hygiene.

However, it's important to note that antibacterial activewear is not a substitute for good hygiene practices and cannot guarantee complete protection against bacteria. While these materials can help reduce bacterial growth, proper washing and drying of activewear, along with regular showering and personal hygiene, are still essential to minimize the risk of infections and maintain overall health.