These socks are perfectly engineered with an advanced zonal padding system that provides extra support and comfort to areas of the foot and leg. They boast a close supportive fit from foot to calf. Made from Merino Wool for superb softness next to skin while providing excellent thermal and moisture control properties._·     Performance Fit·     Moisture Management·     ThermoFit·     Flat toe seam·     ShockZones·     Y-Heel·     Fabric: 34% Merino Wool, 33% Polypropylene, 32% Polyamide Nylon, 1% Lycra Elastane