2-pair set - Run Ultra black/turquoise Running socks - Run Ultra black/turquoise (Size Socks):42-43 With their aluminium lining

With their aluminium lining

particularly during winter activities

These performance ski socks have an outstanding precision

- No padding under the sock and inside the shoe

This kit allows you to fit a heating system to a pair of existing insoles

2-pair set - Run Ultra black/turquoise Running socks - Run Ultra black/turquoise (Size Socks):42-43 With their aluminium lining"Relying on champions to co create tomorrow's foot comfort solutions that are even more efficient and innovative." That's the challenge of offering you the best in running socks! That's why the Run Ultra running sock was developed with both our expertise in the foot domain, and the field feedback from our athletes and the Sidas Matryx Team. The sock acts like an exoskeleton around your foot to stabilise it, provide support and compensate for muscle