Maven No-Show Sock (2 Colours)Maven No Show Sock Small Medium US Womens 6 10. 5, US Mens Smaller than 9. 5 Large X Large US Mens 9. 5 13, US Womens Larger than 10. 5 Description: Maven (Noun): One who is experienced or knowledgable : EXPERT As runners, we know that the best sock is the one you dont think about. Its the interface between your shoes and your feet and if you dont get it right, its the equivalent of running a marathon with no training and no nutrition it aint gonna go