Made in USA or Imported Over the Top Performance. Whether you’re planning a long run, or a long day on your feet, our Women’s Vertex OTC have you covered. Graduated Light Compression improves circulation and helps reduce recovery time. Merino Wool means sweat gets wicked away while regulating temperature. Wrap your legs in some ultra-light love. Merino Wool: The ultimate fiber for breathability and comfort in all conditions. Still made in Vermont, USA. Still unconditionally guaranteed for life.