Just depends on the individual. Too many variables for a blanket statement. There's a little guy (meaning short) at the gym who squats 465 for 6 in Chuck's... I squat in Chuck's or barefeet (when the gym staff doesn't yell at you. But my 1 RM for squats is only 300. Speaking of which... today is leg day. You have me there, but I also have a ton of knee and foot issues from my college football days, so something like a pair of Chucks would just makes it more painful for me the day after.