TravelSeries Italian Graduated Knee High Compression Travel Recovery Socks, Unisex Pairs 75% Cotton, 15% Lycra 10% Nylon Imported Great for work and travel, reduces DVT and lower leg swelling, supports your veins and keep your feet feeling refreshed even after long trips FIT CHART, Small M(3-6) W(4-7) Medium M(6.5-9.5) W(7.5-11) Large M(10-13) Compression socks are fitted to increase blood flow to your feet Compression starts mid foot to gently support plantar fascia and arch increasing circulation back to the heart Patented Graduated Compression increases circulation and the flow of fresh oxygenated blood back to the damaged tissues in your feet Made in Italy using the latest technology and fibers never outsourced to the lowest bidder