PU Quality. Conforms to EN ISO 20345 S4 CI. With protective toecap. -50ºC (-58ºF). The Thermolite boot is particularly suited for long periods of extreme cold conditions. Even in extreme temperatures as low as -50ºC (-58ºF), the PU always remains supple and flexible. Warm feet are guaranteed thanks to the extra thick leg and sole. This is a lightweight and easy to wear boot.
Size Conversion Chart