The Lurbel Camino Four socks are mid-calf for hiking in high temperatures, and with High Density identification (+D), which allows for use in mild environments below the thermal demand of feelcool.Their structure is designed for maximum comfort, adaptability, breathability, seamless and with reinforcements in areas of higher friction.TECHNOLOGY Performance Tetra Technology based on a synthetic multichannel yarn, characterised by its high breathability when in contact with the skin and favouring it to stay dry. Recommended for sports with a high to very high intensity level at high temperatures.1st layer: synthetic multichannel yarn for rapid moisture transportation in contact with the skin.2nd layer: ionised polyamide yarn with silver and elastomer, forming the central weave of the fabric, giving it great adaptability and an antibacterial effect.3rd layer *: polyamide yarn for reinforcement at points with higher garment friction.