Material Held-Cool-Dry Comfort/ Features Odour-inhibiting Ergonomic cut different for left & right sock Safety Shin & calf reinforcement HELD Cool-Dry™ material mix With the Held Cool-Dry™ – a mix of polyester & Cool-Dry™ polyester – moisture is transported to the outside & creates a comfortable wearing sensation. The textiles dry quickly, are breathable & ideal for all activities thanks to the ready-made fabric. Cool-Dry™ is a specially manufactured yarn that wicks away moisture even more intensively & quickly, is very easy to care for & permeable to air.