Amazon カスタマー 5 The socks are very thin, which is good when constructed of high quality fabric as some running socks are, but these are not those. You will get hot spots and blisters.The worst part is they are not very elastic, so do not stay formed to your feet for longtime, which make a poorly tailored small toe section even a worse for.I would definitely NOT recommend these since there is far better japanese brands for half the cost.