Dri-release� Wool and NanoGlide� combine together to provide a super soft and comfortable feel to one of the world most technical running socks The dri-release� Wool is not just soft but is also high wicking and anti-microbial keeping feet dry and fresh The NanoGlide� in the heel and toe helps prevent blister from appearing by minimising friction Extra sushioning is placed into key impact zones under the heel and toes The LYCRA� SPORT fibre ensures a close comfortable fit - DriRelease� Wool ? super soft high wicking anti-microbial - NanoGlide� ? in heel and toe ? soft and friction free prevents blisters - Mid-level anatomical cushioning in key pressure zones for optimum comfort - Anti Odour - Anti microbial & high wicking properties from DriRelease wool - Flat under toe seam construction - Vented upper and arch grip - Front & Back comfort tabs