Hiking Merino Light sock fits well in your hiking shoes. The sock is a light insulating outdoor sock with soft merino wool as the main material. Hiking Light comes with a Y-heel and adjustments for the right and left foot, as well as comfortable elastic in the leg and ankle area, which allows it to sit well on the foot and minimizes the risk of blisters. Mesh fields in strategically located areas ensure good ventilation. Good ventilation and optimal fit ensure perfect temperature regulation and high comfort.