For active runners seeking versatile protection from the elements, the On Men's Weather Jacket delivers an exceptional blend of style and performance. This ultralight running jacket, weighing in at only 230 grams, is designed for maximum breathability and windproof coverage, making it the perfect companion for those unpredictable trails. Crafted with high-stretch polyester and elastane, the jacket features a unique micro-ventilation pattern that enhances airflow while keeping the wind at bay. Seamlessly engineered with spiral darts at the elbow, it allows for unparalleled movement while running, ensuring that every stride feels effortless. Reflective details provide an extra layer of safety during low-light conditions, while the hidden airflow vents and chest pocket with a water-repellent zipper ensure functionality and comfort. The true game-changer? It packs into its own pocket, making it easy to throw into a backpack or belt for those spontaneous outdoor adventures. For active lifestyle enthusiasts ready to conquer changing weather conditions, the On Men's Weather Jacket redefines comfort and convenience.