Trail running socks - T-Free® Trail blue/grey Size Socks:39-40 The heel is subjected to

The heel is subjected to particular strain during walking and sporting activities

Feet are put under particular strain during sporting activities: friction

The traction pad is fitted with asymmetrical studs that make walking on snow safer

Warmth and insulation: Recycled polyester felt and Evamic Insulated foam (20% recycled) provide warmth and thermal insulation

Sizes S/M L/XL FR 36 / 41 42 / 46 UK 3 / 8 8 / 11 US 4 / 9 9 / 12

Trail running socks - T-Free® Trail blue/grey Size Socks:39-40 The heel is subjected toT 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