Fabric 60% Micro Supreme yarns, 20% silver embedded yarns, 12% stretch nylon, 5% lycra, 3% MTF polyester Finish Engineered for high performance boots, Designed to enhance boot fit and performance, Densely knitted micro fiber yarns eliminate bulk while maintaining warmth and comfort Features Bio-Silver? Technology, Moisture managing yarns, Moisture transfer chimney, Smooth looped toe closure, Arch stabilization band, Articulated hinge at ankle break, Warmth Factor = 8 |