Running Trousers

Decathlon is your trusted source for sports underwear, offering a variety of options including athletic boxers and breathable briefs. Our sports underwear is designed to provide ultimate comfort and support during intense activities, such as road running and trail running. Whether you prefer sports underwear, athletic boxers, or breathable briefs, Decathlon has the perfect fit for you. Explore our underwear collection and experience the high-quality sports underwear making in your performance and comfort.