WINDSTOPPER® fabrics offer soft, lightweight weather protection in one versatile and durable garment. Owing to their total windproof construction and maximum breathability, WINDSTOPPER® garments provide comfort across a wide range of weather conditions and activities. WINDSTOPPER® fabrics are 100% windproof and keep you warmer than comparable materials. WINDSTOPPER® products are twice as breathable as comparable windproof products, and offer the same level of breathability as comparable non-windproof products.