High Performance Running Socks No Blisters Dry Feet Ultra Breathability 86% cotton/ 10% polyester/ 3% spandex/ 1% elastic Imported These well designed running socks by Soft Breath accomplish both comfort as well as support. These running socks provide excellent breathability, even if youre the type to sweat profusely. In addition, these running socks stay smooth, soft and cushiony even after weeks of use. Whether wearing these socks to run a marathon in the rain, or just wearing them like regular socks, youll notice they dont feel slippery and stay secure on the foot without feeling too tight. Some people go as far as to say it feels like they are walking on pillows. In addition, a little lip on the backside of the sock protects the Achilles from blistering. This lip peaks out slightly; the rest of the sock is total no-show.