Hilly Marathon Fresh Socklet Running Sock - Sapphire/Teal Sock Size:M It's constructed from one piece

It's constructed from one piece of foam

Versatile Ventilation Durable mesh throughout the upper increases airflow and helps drain water

Trusstic System technology offers more stability in the mid-foot

The mid layer has a combination of the Trusstic System technology and Duomax for more support while the external heel counter adds to this by offering a stable platform for each stride

Hilly Marathon Fresh Socklet Running Sock - Sapphire/Teal Sock Size:M It's constructed from one pieceStay fresh and odour free thanks to Polygiene technology. Comfy and durable for a long run. The unique ingredient in these socks is the Polygiene technology. Made with low concentrations of silver salt, which has anti microbial properties and is naturally present in water and soil, to safely eliminate the ability for bacteria and fungi to grow. This is only active on the sock itself and does not interfere with the skin's bacterial flora. The added