On Running Merino Ultra Sock
$37.99
1 in stock
On Running's first dedicated trail running sock with a high-tech ergonomic construction – for max comfort and protection.
- Made from merino wool and recycled nylon
- Open mesh channels for ventilation
- Anti-slip underfoot tech
- Support on arch and upper heel
- Reflective yarn on cuff
- Ergonomic toe construction
- Zonal terry cushioning
- Merino wool helps regulate heat
