On Weather Jacket Men's Denim Navy Size:Small leaving the inner ear open

leaving the inner ear open to keep you engaged with the world

Increases oxygen delivery to active muscles while in motion and reduces lactic-acid build-up for more power and less recovery time

Reflective headband provides 360 visibility while running

knit elastic waistband and lightweight stretch woven fabric are flexible and moisture-wicking for ultimate comfort

On Weather Jacket Men's Denim Navy Size:Small leaving the inner ear openA running jacket for ultralight protection from the elements. Made with breathable, windproof fabrics, its ideal for changing weather. Key features: Windproof perfect for blustery trails Ultralight. Weighing only 230g. Hidden airflow vents Chest pocket with water repellent zipper Packs into its own pocket take it anywhere Made to move: Spiral darts elbow Reflective details Breathable overlap construction front and back Packed with features The Weather