On the Spot Moderate Compression

These knee high socks feature a medium graduated compression. They aid in recovery from long bouts of standing or sitting, and keep the circulation in your legs in check, and help reduce swelling and fatigue. Features Medium compression, 15-20mmHg. Ultra light cushion sole. Arch support. Seamless toe enclosure. Sizing S/M fits women's shoe size 4-7.5. M/L figs women's shoe size 8-11. Material contents: 33% merino wool, 33% bamboo rayon, 28% nylon, 6% spandex. Care instructions: Turn inside-out, machine wash warm. Tumble dry, low heat. Do not bleach. Made in USA.