Features Dri-WRIGHT® II. * Stabilizer Zone™ to help lock the sock in place. * Mesh panel for breathability. * Inner layer fiber content: 70% Dri-WRIGHT™ II polyester/27% nylon/3% Lycra® spandex. * Outer layer fiber content: 71% Dri-WRIGHT™ II polyester/22% nylon/7% Lycra® spandex.