Breathable and thin ventilation knit fabric on the instep is more breathable and breathes well. There is an elastic hem around the instep to prevent the sock from rolling up. The joint bones, heel and toe are made of a pleasant plush knit against bruises. The silver ions in the knitted fabric have a slightly antibacterial effect. Model: Compress Colour: Black, grey Pattern: logo Type of sport: running, cycling, fitness, outdoor Material: polyamide, elastane