The Womens Merino 250 Vertex Thermal Leggings from Icebreaker are incredibly warm base layer bottoms with a unique jacquard pattern, the 250 Vertex Leggings Fractured Landscapes are a go-to piece for winter layering—ideal for skiing, snowshoeing and other cold-weather pursuits. The original jacquard-inspired print artwork by Nathan Dunn draws inspiration from the natural cracks and angular shapes found in rock formations. Find More Icebreaker Womens Merino 250 Vertex Thermal Leggings