size 8 very padded and comfortable great for running tread is excellent true to size, but I'm an 8.5- I've worn them a few times on a treadmill. I'd keep them othrwise. designed by a podiatrist please ask any questions nonsmoking pet friendly no perfume home bundle for discounts fast shipping top rated seller Poshmark ambassador athlete, runner, running, hiking, hiker, gym rat, athletic, performance casual, work out