Of montrails shoes these run truest to size. They have a great lace in system and they are very durable tread and upper, they also can take a tough muddy beating and wash up well. The fact that the upper is so durable sets up up the biggest problem in my book. The stinky foot, the shoe doesn't breath as well as it could and it leads to a stinky shoe. Maybe if I didn't sweat as much I wouldn't have the issue. (I consider myself slightly more sweaty than the average runner.) Of the last 20 pairs of shoes I have ran in this shoe has way more stink than any other. It has been so bad I have been able to smell when I stop for a break while running. If they could fix that issue I'd be back for more