These therapeutic socks with natural hemp fibers provide gentle, graduated compression (20-30mmHG) to help enhance circulation, ease swelling and reduce pain while energizing your tired, aching legs. They are lightweight and breathable with an open-toe design to keep you cool and comfortable. The non-pinching zipper makes them easy to put on and take off. Hand wash, dry flat. Cotton, hemp, nylon and elastane. Perfect for men and women. Choose: Black or Cream. Available in: S/M (women's shoe size 6-9 1/2; men's shoe size 5-9 1/2) or L/XL (women's shoe size 10-13 1/2; men's shoe size 10-12 1/2).