Needed to replace my worn Merrell "all out blaze" trail runners and came across these Brooks and decided to give them a try and glad I did! I can't believe how well these shoes conform to my feet...extremely light weight, comfortable and supportive and look very cool to boot! My first pair of Brooks may very well be one of the best pair of shoes I have bought in a long time! Walking, running or hitting the trail these cover it all! I am a size 12 medium and based on recommendations on the Brooks website ordered a 12.5 medium and the fit is perfect. Sorry Merrell and Asics, I have found my new favorite!