SPRESSO Men's Everyday Blend Socks , Black , Small 3708-628235600019 Compression Level: Moderate graduated compression (15-20 mm/HG) A reinforced flat-seamed toe for durability, A comfort-top design to minimize pinching below the knee. Quick transfer of sweat away from the skin to keep feet cool and dry, Thermo-insulation to keep feet cool in the summer and warm in the winter, A lightweight fabric 32% lighter than wool and 34% lighter than polyester. 45% Cotton , 34% Polypropylen , 12% Polyamid , 9% Elastane