Trail running socks - T-Free® Trail orange/grey Size Socks:39-40 The perforations in the insole

The perforations in the insole ensure good ventilation and improved breathability for your foot

Remove the old insole and replace it with the new one

S-PACK 700 technical specifications

Sidas offers the pre-formed RUN+ Slim running insole

Dynamic shock-absorbing gel: active cushioning

Trail running socks - T-Free® Trail orange/grey Size Socks:39-40 The perforations in the insoleT Free Technology for Natural Movement In running, the big toe is crucial for balance, alignment and propulsion. That's why we have developed T Free technology in collaboration with athletes such as Jonathan Albon. This technology allows the big toe to move freely and independently, improving your comfort and stability when road running. The socks incorporate all the innovations expected for trail running. The left foot right foot anatomical