Performance_+ Lightweight Blue Socks - Women'sConstructed from a durable blend of nylon, acrylic, Merino wool, NanoGLIDE, polypropylene, and spandex fabric Medium and extra density cushioning throughout; Polypropylene reinforced footbed is quick drying and resists odor Elastic throughout for ultimate arch, ankle, and leg support; Flat stitched toe seam eliminates chafe and bunching; Stay High elastic comfort band is soft and locks around the calf to reduce sagging DRYRIDE Ultrawick venting toe