Caterpillar THERMO Full Length Thermal Crew Socks 2 Pairs. New thermo socks from Caterpillar are designed to keep you warm while working in their steel toe boots. The soft cotton, acrylic and polyester combination is designed to regulate heat, to keep your feet warm and comfortable as winter sets in.
76% Combed Cotton, 22% Polyester, 2% Elastane. Heavy duty boot sock with contrast logo. High density heel and toe protection. High stretch top for ease of wear with minimal compression. Anatomical Y heel for improved fit.