The Steigen Running Sock is an extra-thin, extra-lightweight sock that reduces heat, friction and sweat to prevent blisters. They're designed to feel like you're not wearing socks at all. Fits sizes 5-12 US.

Steigen running socks feature:

• Lightweight fabric for fast moisture transfer and breathability, with Airflow top mesh and microfiber nylon/lycra body for a tight fit
• Forefoot pad for extra comfort and durability
• Super flat toe seam to eliminate chafing
• Y-shaped heel that prevents bunching inside your shoes
• Ankle-crease reduction channels
• Arch supports.