the COSMOS features a flex index of 110 AT

making it perfect for varying weather conditions

and an adjustable snap closure

Tool-less replacement

Sidas Trail Protect Running Socks Color:BLACK-GREY the COSMOS features a flexThe Trail Protect socks provide complete comfort thanks to ankle and toe protection. These running socks include a ventilation zone under the arch of the foot and an ankle support zone to improve stability between your ankles and heels, reducing the risk of injuries and reinforcing the power of the insoles. The grip bands are designed to improve contact with the insoles. The fibres use Skinlife technology for odour management.