On Running Merino Ultra Sock Colour:Black Strength and Sustainability: Built to

Strength and Sustainability: Built to endure longer runs with no weak points

A renewable resource

Thumb grip at sleeve ends

Weight: 275g

you’ll also be ready to take off into the nature

On Running Merino Ultra Sock Colour:Black Strength and Sustainability: Built toOn 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