The On Running Performance Mid Sock in the Flint | Fiji colourway provides the perfect balance of protection and performance. This sock is lightweight and breathable, with technical mesh that regulates temperature.

It is a snug fit and provides subtle support. Made from a combination of polyamide and elastane blend, the mesh sections help to keep foot temperature in perfect balance. 

This sock features a pattern at the arch which triggers sensory receptors to get your feet ready for your run. Swiss Engineering helps to keep the sock firmly in place.