I knew it was the perfect shoe, but it's not. Knuckles are tight and tight. The smaller 2 fingers are clogged. I can't recommend them for fitness. The outsole is for indoor use only...outdoors are rocks etc. very uncomfortable (unless you are a light footed person). I had to adjust my gait to tolerate outdoor use. Due to the tightness in the toes and soles of the feet I therefore cannot wear them and will not recommend them to my patients.