The 509 FZN Women's Merino Pant provides versatile midweight warmth with a Merino wool blend that is high performance and comfortable in all conditions. Naturally soft, breathable, fast-drying, and odor-repellent—all without the itch of conventional wool—this unique knit is far superior to conventional fabrics. Stretch properties and an ergonomic fit add mobility for smooth and easy layering under your outerwear.