Supreme blister resistance with friction free Profilen® in heel and toe... Supreme anti-microbial/anti odour properties with dri-release® wool with Freshguard®, in body of sock... Supreme anatomical design left and right socks with cushioning exactly where required for each foot... Supreme durability with under-toe seamless construction and nylon splicing in toe and heel areas... Supreme comfort with arch grip section, 'Y' heel and Lycra®...