Designed to keep your core warm on cold days, the On Running Challenger Vest is your perfect companion for every outdoor activity. Made with 100% recycled insulation, this high-performance puffer vest keeps you cosy without bulk, ensuring maximum comfort as you explore city streets or tackle rugged running trails. Product Highlights: - Ventilation zipper at the back keeps airflow optimal, ensuring freshness during intense activities. - Iconic chest branding reflects On Running's dedication to quality and innovation. - Composition: 85% polyamide, 15% elastane. - Care: machine wash.