Air conditioning system for rubber boots.The Viking AMC Socks (Bama socks) 2 Layer thermo system ensures a good and natural ventilation. The inner layer of acrylic fleece provides insulation, eliminating foot moisture. The outer cotton layer absorbs perspiration.Elastic cuff for good fit.Reinforced heel part.

Designed to fit all full rubber and rubber bottom boots The dual layer thermal, acrylic/cotton,construction provides ventilation while wicking perspiration away from your feet. Outside cotton layer to absorb and wick moisture Acrylic fleece inside layer insulates while drawing perspiration from your feet

Size 8/9