The Runderwear Men's Running Briefs are designed to provide exceptional fit, feel and support during your run. This award-winning underwear will keep you chafe-free. Constructed using 360 seamless technology, which means there are no side seams or tags, resulting in less irritation against your skin. Carefully positioned micro-perforations make the fabric breathable, optimising airflow and core temperature control. Lightweight, technical fabric is moisture-wicking and removes sweat quickly from your skin to keep you dry.