I have an 11 and they are to small
I wear a 10.5-11 and had to wear a 12 in hey dudes.
That’s the sizes I usually fall between. In the Hey Dudes, my toes hit the end on an 11 but a 12 feels a little loose
I have 2 pair. One 11 and one in 12. The 11 has no stretch and it to small. The 12 wears good and is comfortable. I won’t buy an 11 again.