I have two pairs of these shoes. I have the ones with the velcro strap and these that lace up.. The velcro stapped ones run a bit small as I wear a size 10.5 shoe, the strap version I wear a size 10. So I ordered a size 10 in the lace up version and they run a bit big as you can see in the pic. They are perfect with the removable liner and as expected a bit bigger without it. Great traction on foothill trails in NM and great room for your toes.. I would recommend these shoes and will see how much wear I can get out of them. Bottom line, I was impressed with my first pair which I still have that I purchased a second. The lace up version is a bit better as you can tighten them up vs the velcro ones. I hope this helps.