I`m a Brit who likes quality US footwear. I`ve always gone for Danner in the past & then I saw these boots. After some research,confusion & advice about the size. I`m a UK size 9.5,2 pairs of Danner US size 10 were good the third pair US size 10 were .5 a size too small so I was advised to go for size 10.5 in Thorogood. I ordered them to be delivered on a recent vacation to the US,they were delivered on time as promised & the quality is superb as expected but they are .5 a size too big,however,I`m not complaining,better too big than too small,I put in another pair of insoles & wear thicker socks & they`re very comfortable. I`ll just order a size smaller next time. They`re an excellent pair of boots,I wouldn`t hesitate to buy another pair or recommend them. I don`t agree with the other review about hard soles,even without extra insoles or thick socks they were still comfortable.
*UPDATE*  These boots had a Vibram sole, I`m not heavy on my feet & do not scuff my heels but even so, I had to get them resoled after about three months but they have been been 1st class since resoling.
  I bought a second smaller pair the year after without the Vibram sole & these are still going good.