The Dynafit Women's Beast Hybrid Pants are a top-selling ski mountaineering skirt on Amazon. These pants are designed for the serious backcountry skier, with a focus on durability and performance. The Beast Hybrid Pants are made from a lightweight and breathable fabric that is both windproof and water-resistant. They feature a slim fit and articulated knees, allowing for a comfortable and ergonomic fit. The pants also have a range of features designed specifically for ski mountaineering, such as reinforced knees and seat, adjustable waistband, and integrated gaiters. With their high-quality construction and attention to detail, the Dynafit Beast Hybrid Pants are a reliable and popular choice.