Why your workout clothes still smell after washing
Updated November 2026 by Sweat X Sport
Often it's the detergent. Traditional detergents leave a residue that builds up, clogging the pores performance fabrics need to breathe, and trap odor-causing bacteria. That's why a shirt can come out of the wash clean and smell again the minute you warm up.
What fixes it
- Use a detergent made for performance fabric. Max Odor Defense is formulated to rinse through even the most tightly woven fabrics.
- It exfoliates harmful bacteria that cause odor from fabrics and restores fabric performance and wicking.
Skip the softener
No fabric softener or dryer sheets needed.
For really bad loads
Use it as a soak for extra filthy laundry, or gear and pads that cannot go in a machine.
Questions
Does it work in an HE washer?
Yes. It works with traditional and high efficiency (HE) washers.
How long does a bottle last?
You get 45 standard wash loads per 45 oz bottle.