Trail running socks - Trail Ultra black/yellow ski-bundle Lots of reinforcements on ankle

Lots of reinforcements on ankle

moisture and long hours spent in shoes can lead to blisters

their tension is strong to provide a perfect fit to the feet and legs

A design focused on stability

Trail running socks - Trail Ultra black/yellow ski-bundle Lots of reinforcements on ankleMuscle fatigue causes the foot to collapse and lengthen, and the metas to widen. We have taken these phenomena into account when designing this new range of socks with the athletes of Team Sidas Matryx. Thanks to the Ultra Fit technology, the Trail Ultra socks act like an exoskeleton to compensate for the consequences of muscular fatigue of the foot during an ultra trail. The Trail Ultra sock includes all the features of the perfect ultra trail sock: