The Siren Sport Leather from Merrell is an outdoor athletic shoe with uniquely feminine styling. Uppers combine pigskin and synthetic leather so they will take a natural beating for years. Breathable mesh lining to keep feet cool and dry. Vibram Siren sole adds the stability and traction you need for off-road running speed hiking or trail biking. Q-Form triple-density molded footframe promotes healthy alignment for a womans stride.