Meryl Skinlife - Contains built in anti-microbial technology and helps wick sweat and moisture away from the inner sock.nLYCRA Sport - Stretch performance fabric in the outer sock, improves the fit and running comfort.nSoft-Touch Reinforced Heel and Toe - Extra protection in key high-wear areas.nArch Grip Heel - Improves the fit of the sock, helping reduce irritation and slippage.nPre-Shrunk - For an improved fit.nThe ultimate anti-blister sock for all distances up to marathon and beyond. The Hilly Clothing Company leads the field with it's range of running socks and running garments designed by running legend, Dr Ron Hill MBE. As well as having a PhD in Textile Chemistry, Ron has a string of athletic achievements including the Commonwealth and European Marathon gold medals, with a personal best of 2:09:28, set back in 1970! Hilly continually strive to enhance their products using new technologies and innovations from all over the world. All Hilly products are extensively tested prior to launch, not only by staff who are all runners, but also by a group of independent testers. Hilly also work closely with several o the UK's leading technical universities.