Sidas Trail Ultra Running Socks Size:37-38 Adjustable features ensure a personalized

Adjustable features ensure a personalized skiing feel

Similar to a full suspension bike

Customise your bottle to really separate it from the pack

as it's capable of commuting on a daily basis

Sidas Trail Ultra Running Socks Size:37-38 Adjustable features ensure a personalizedMuscle 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: