Nice boots, look great with jeans. I normally wear a 6 1/2 and I wear these with a thin sock and if you plan to wear a thicker one I would suggest you might need to go up 1/2 size.  I have numerous pairs of Kalso Earth shoes but they have a wider toe box than these boots so if you are basing your sizing on those styles you will probably be disappointed in the fit. These fit more like a regular shoe with a tapered toe box. They still work for me and are very comfortable for walking so they are definitely keepers.