Lightweight protection with stretch, the On Women's Weather Jacket in Black offers technical details and designs that make the most of your run, whatever the conditions. The On Women's Weather Jacket features an engineered hood designed to stay in place when it's needed and offer a perfect fit and field of vision. The tear-proof fabric is lightweight and durable, offering 360-degree ventilation, helping keep your temperature down as you hit the hills. Weight 160g Main 100 Polyamide, Under arm insert 85 Polyamide 15 Elastane Water resistant zips on pockets Lightweight Japanese fabric 360-degree ventilation Ultralightweight Tear proof Fast drying Wind and water repellent.