Designed to handle changing weather conditions, the ON Men's Trail Breaker is a technical long sleeve that will have you covered for your next running adventure. The water-repellent front acts as an ultralight shield against rain and wind, while ventilating mesh at the back provides optimal ventilation. These features work together to keep you both protected and comfortable even on the toughest trails. An extended zip allows you to easily adjust the amount of airflow, and the watch window means you can check your stats hassle-free.