The Wigwam Ironman Flash Pro Low cut is a lightweight running sock featuring the Ultimax moisture management system that rapidly moves moisture upward so it can evaporate quickly. It has foot hugging fit with a cushioned sole. It features both a Heel Tab that reduces slippage into the shoe and breathable mesh vest. Its brightly colored design is also a hit with runners. Wigwam is a 105 year old United States manufacturer of socks and provides a 2-year performance guarantee.