Thermal ski sock made with Merino Wool and with the smart OutlastĀ® fiber that generates a microclimate between the garment and the skin where it retains heat.It is a recommended fiber for practicing sport at height and at extreme temperatures.Knitted seamless at the toe to prevent chafing and discomfort, this sock features special channels developed by Mund Socks that improve breathability.In turn, this model has a reinforced heel and toe box to guarantee comfort and convenience during skiing, snowboarding, or any winter sport.