Designed for every day Trekking and Hiking activities using CoolFusiontechnology that maximises the benefits of natural and synthetic fibres todeliver a highly ventilated sock while ensuring it is light and comfortable.The Trailhead is built with Bridgedale's exclusive T2 anti-compressiontechnology. This is a loop within a loop which offers an additional level ofimpact protection; the inner loop has even more resilience than the outer loopfor cushioning on the achilies, heel, and metatarsal head. T2 pad technologyhas been knit into the pressure points: ball of the foot, lace up. TheTrailhead features targeted cooling ventilation exactly where neededthroughout the foot. Knit with Merino Wool that provides warmth when neededand excellent moisture wicking properties. ENDUROFIL adds additonal durabilityand wash resistance. Crew height with medium cushioning.