After researching the ever popular Hunter Boots, only to find they are now made in China, I started looking for other quality, fashionable rain boots. I heard about the Le Chameau's & loved the Olive Back Country's. since the reviews said that the sizing was tricky I found a local boutique that carried these boots & tried them on & purchased them there. I am in love with them & I keep checking the weather hoping for rain so that I can wear them! I am usually a size 8 shoe, 8 1/2 in my running shoes (Asic's, which run large), & I bought this boot in a size 7 1/2 (39), which is a perfect fit, with enough room for a big pair of wool socks if I should need them! I hope this helps anyone who is wondering about the sizing as I was. Also, I am very impressed with the thickness of the rubber & doubt I will ever need another pair of boots in my life time. I also love that they don't follow the Hunter trend, which everyone else seems to have.