"a little on the roomy side but still performs well "
seriousllama

"Very tight out of the box, kinda painful. But nice and snug once they broke in. Switch to half size up, fit great"
wpjohnso

"I rocked the Shamans in both 9.5 and 10 for three or four pairs. The 9.5 were impossible to get on when I bought them, but I couldn't return them so I bought a pair in size 10 and once my foot got used to the shape and the size 10 wore out, I was able to wear the 9.5s but they were never comfortable, so I went back to a size 10. I read warnings about going up half a size from the Shaman to the Agro, but since I felt I was somewhere in between a 9.5 and a 10 in the Shamans, I opted for the Agro in size 10. It was a challenge to get them on the first five times I wore them, and they hurt after each boulder problem. Once they broke in, a 10 was manageable for a few problems. Switching to 10.5."
michael.richichi

"They're tight and uncomfortable even a size up from normal. Hoping they'll stretch close to another half size or so. Update 1: I exchanged the 9.5 for a size 10. Thats 1.5 sizes up from my Defy, they're still pretty tight but they're tolerable now. The heel no longer feels like it's cutting my Achilles and I can stand on my toes without excruciating pain. Update 2: After breaking in they actually are really comfortable. Comfortable I can wear them for several hours. I probably could have toughed out the 9.5 and been better off. "
iPooped

"Aggressive but still a bit comfy. Could not go any smaller"
kaj.karlsson84

"Maybe the best fitting shoe for my foot. Heel is totally locked in, rubber is not the best but hasnt been an issue bouldering on limestone."
Jartibello

"Went down a half size. Felt too small initially but they stretched enough for a great, aggressive, fit."
Jartibello

"Really tight painful break in. After that, super soft and sensitive and fit like a glove"
jbailey633

"Comfortable yet precise. Works well as a training shoe, but have to take off every now and then. "
Bigfoot

"Very, very soft. New, even softer than my older pair of Skwamas. Super sticky, I really like these for hard bouldering, but they do lack support for very small holds. "
mcalebbr