This sock is designed for work, sports and leisure, made of 33% DRYARN®, which is a very light, extremely breathable, quick drying and insulating material. The sock also contains 64% Polyamide and 3% Lycra. As an extra comfort this sock also has woven cushioning zones under the heel and toes, which also works like a reinforcement. Color: Black Monitor SS 2.0 Cushion Insole