Born in Chamonix,   world capital of trail running and mountaineering, the Speed sock is suitable for trail running, running and ultra trail running.
 
It can also be used for hiking and cycling.
 
Its composition and the technicalities associated with it make this product light, protective, efficient and durable.
 
This sock, which was born in July 2019, continues to prove itself to the most demanding users around the world.