Final answer:
Wearing loose-fitting pants while bicycling is recommended for better mobility and flexibility, prevention of chafing, and improved ventilation.
Step-by-step explanation:
Wearing loose-fitting pants while bicycling is recommended for several reasons. Firstly, loose-fitting pants allow for better mobility and flexibility while pedaling, which can enhance performance and prevent discomfort. Secondly, loose-fitting pants can help to prevent chafing and irritation that can occur from the friction between the fabric and the skin during prolonged cycling. Finally, loose-fitting pants can offer better ventilation and airflow, helping to keep the body cool during physical activity.