WARMEST THERMAL SOCK – Engineered for Maximum Comfort and Insulation | 91% Acrylic, 5% Nylon, 3% Polyester, 1% Elastane Imported BEAT COLD FEET ? Heat Holders are the warmest socks on the market. Tried. Tested. Proven. SOFT & DRY ? Keep your feet cozy and dry all day with moisture-wicking engineered acrylic fiber. NON-BINDING ? Deal with diabetes or poor circulation? You??l love the just-right ankle and calf fit. FOR COMFORT & SPORT ? Wear your pair as leisurewear or the warmest cold weather gear during winter. TOP GRADE GIFT ? There?? no pair like a Heat Holders pair. Surprise someone special with cozy socks!