The TEKO Merino Trekking sock features a mid-calf height designed for wearing with hiking and heavier trekking boots. With heavy cushioning throughout you benefit from the comfort and wicking properties required on long treks. Perfect for long-distance trekking in autumn or winter weather conditions. You get 100% natural merino wool next to your skin and the nylon is plaited to the outside of the sock for added durability. The nylon reinforcement is doubled up in the heel and toe areas.  The TEKO Trekking sock provides comfort and wicking properties while retaining a lightweight feel and excellent breathability.