I love Merrell hiking boots. I have 2 other pairs of Merrell hiking boots(Moab ventilator waterproof mid & Siren waterproof mid) & several other pairs of Merrell shoes so I thought I would love these too. Unfortunately, these are going back. I ordered the same size as all of my other Merrell shoes but these did not fit the same- the lining is very thick. They were uncomfortable in the toe and ankle areas and I couldn't keep them on long enough to try to "break them in". I think they may be ok a size up, especially if you prefer thicker hiking socks. I highly recommend trying them on in a store before buying.