Did enjoy my first few runs with Sums Socks but having just completed a half marathon in them yesterday - unfortunatley I have been left with a rather gruseome blood blister. I know marathons can be hard on the feet so can't blame it fully on the socks but I wore the same shoes as my last half and nothing else has changed with regards to training etc so I am leaning towards the socks. Won't upload a gruesome pic :)
