The compression socks (25-27 mmHg) support the muscles during jogging, team sports and other endurance sports, promote blood circulation, accelerate regeneration and reduce fatigue Cooling functional material keeps your feet dry and blister-free even during long and strenuous runs thanks to the 3-layer moisture-absorbing sole construction The medium-thickness padding gives you a comfortable and responsive feel, reduces shock loads and ensures direct power transmission during sport Special knitting techniques adapted to the gender and anatomical differences of the right and left foot ensure a high comfort, a wrinkle-free fit, a long durability and protect against pressure points This material is durable; Calf measurements: W1 = 30–35 cm, W2 = 35–40 cm; measure your calves at the widest point to determine which size you need FALKE, a family business founded in 1895, stands for unconditional quality, the highest craftsmanship, innovative and functional products and plastic-free packaging