I just got a new pair of Halfinger Clogs. I first ordered a size up as the Euro sizing chart indicated a 42 or 43- and I'm a US 9&1/2- falling between sizes. The first size was WAY too big, but the new size is just right. So far, after just a couple uses at home, I LOVE them! They are everything I expected them to be- warm and comfy. I mostly bought these for keeping my feet warm around the house, or other indoor settings where my feet might be cold. I'll assume they're going to perhaps stretch or relax somewhat, and that I'll easily be able to wear them with light-weight socks for around-town use. I probably won't go hiking with them on- but expect to certainly wear them to the local farmer's market or other urban/suburban environs. In a world of  high-tech, modern fabrics and materials, it's a great comfort to know that wool & cork are still as good or better, than anything out there! Three cheers for natural materials. I look forward to a long, happy relationship with my new Haflinger Clogs.