"I bought these sneakers for my son for indoor track practice. He was wearing a pair that were very light in weight but realized they weren't great for running as his feet started hurting after several days of practice. He has been wearing these for two weeks and his feet no longer hurt. The size seems to run small as he is wearing a seven in his regular sneaker and an 8 1/2 in this pair. The sneakers are very lightweight and the sole has a great cushion for running, not too soft and not too stiff so it is still flexible without hurting for feet while running."