These are a sample from the manufacturer hence the plug in the sole. They are a size 6 as all of their samples are, unmarked however due to them being a sample. I wear a 6.5 and a 37 and these are too snug on me with socks. My loss is your gain! Beautiful real soft supple leather in a gorgeous light brown or my other listing in the black color. I have another pair in black, check out my other listing. A flawless riding boot crafted with beauty and artistry in every stitch. Clean lines and gorgeous leathers make the Sydney the perfect boot to go with everything in your closet. Offered in soft hand-finished leather upper. Cushioned fabric covered footbed with extra foam for added comfort High-Traction flexible lightweight rubber outsole with leawood wrapped heel Heel Height: 1 Inch, Shaft Height: 14 Inches and Shaft Circumference: 11 3/4 Inches