CI (cold insulation) approved shoes insulate the wearer from the cold. According to the EN 20345 standard, the temperature drop of the insole must not exceed 10 °C upon exposure to a temperature of -17 °C for 30 minutes.
CI (cold insulation) approved shoes insulate the wearer from the cold. According to the EN 20345 standard, the temperature drop of the insole must not exceed 10 °C upon exposure to a temperature of -17 °C for 30 minutes.