Thermo CAT socks. Fully cushioned foot base protects the skin from friction and cold keeping your feet comfortable and warm all day. Reinforced toe and heel for use with safety boots.- Two pair pack- Natural thermo regulating properties- Fully cushioned foot base protects the skin from friction and cold- Reinforced toe and heel for use with steel toe boots- High stretch top for ease of wear with minimal compression- Machine washable at 40 degrees Celsius- Black / grey with contrast logo