I’m a size ten but for a few reason the DT socks fit far better within the heel if I get mediums rather than large. These are almost a dress sock in thinness. Support: Socks have varying amounts of compression and arch support. Those with additional compression and arch support https://andreik110naj4.ltfblog.com/31550370/the-basic-principles-of-men-s-no-show-socks-loafers