From the Manufacturer Doctor Recommended for Tired Achy Legs.Futuro Therapeutic Open Toe Knee Highs provide the medically proven benefits of graduated compression in comfortable and attractive styles. Soft attractive materials in a neutral tone Open toe design with comfortable smooth finishing Great for open toe shoes Comfortable band to prevent slipping and binding Reinforced hell for added durabilityFuturo® Therapeutic Support Hosiery takes you beyond everyday support. our medically proven graduated compression knitting technology energizes your legs and helps relieve discomfort from moderate ankle swelling. May also aid in the treatment of mild post-phelbitic syndrome and help to reduce the risk of clotting after minor vein surgery. Ideal for everyday day especially when you are standing or sitting for long periods walking or traveling.Relief. You will feel invigorated as our graduated compression technology applies the right amount of pressure to your legs where they need it most encouraging healthier blood flow and increasing circulation. It's like an all day massage for your legs.Comfort. Designed using the most innovative materials you will experience outstanding comfort and fit. Reliable soothing support allows you to stay active and do the things you want to do with pleasure and ease.Style. Our Therapeutic Support Hosiery provides a natural look with the effective support you need.Maximum compression at the ankle decreases gradually up the leg. Size Chart: Calf Measurement (Inches) 11" 12" 13" 14" 15" 16" 17" 18" 14" (From floor to bend in knee) small small small small med med large large 35.5cm 15" small small small med med large large large 38cm 16" small small med med med large large large 40.5cm 17" small med med med med large large x-lg 43cm 18" med med med med large large x-lg x-lg 45.5cm 19" med med med med large x-lg x-lg x-lg 48cm 28cm 30.5cm 33cm 35.5cm 38cm 40.5cm 43 45.5cm Average Sizing Selection ChartUS. Shoe Size European Shoe Size Futuro Hose Size 7 and under 40 and under Small 7 1/2-10 41-42 Medium 10 1/2-12 43-44 Large 12 1/2 and under 45 and over Extra LargeIf your height/weight fall in between two sizes we recommend purchasing the larger size for your comfort. Firm Compression Knee High (8-15 mm/Hg*). Medium Reinforced Heel. #005003*The mean compression for an average ankle size.Futuro guarantees its products to be of the highest quality. If you should receive a defective product please wash and return it for full reimbursement value.For more information on the full line of Futuro Support Hosiery and Socks see our Style Guide inside or visit our website at Futuro.com.Made in USA