The Wigwam Sub Zero F7715 is a fully cushioned boot sock showcasing wool and acrylic fabric. The F7715 features excellent moisture management and insulation, and added Hollofil for extra warmth. The Sub Zero features full terry cushioning throughout the sock and a smooth looped toe seam for a comfortable fit inside your boots. Made of 50% Acrylic, 22% Worsted Wool, 18% Hollofil, and 10% Stretch Nylon the Sub Zero will keep you feet warm, dry and comfortable.
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