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"I love this brand and the socks with the dots on the top are my favoritre. They stay up and are my favorite, 30 40 is the best"
SKU: 863CSSW66/S
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Sigvaris Opaque delivers 30-40 mmHg graduated compression in a Calf style with a Closed Toe design. Essential Opaque offers durability you can trust in our largest range of sizes, making it your go-to choice for everyday hosiery.

Women's Sizing Chart
Tap any measurement below to see your full size details.
Do not base your size on your shoe size. Medical compression garments require precise ankle and calf measurements to work correctly. Please use your exact measurements on the chart below to find your perfect fit.
| Measure | Small | Medium | Large | X Large |
|---|---|---|---|---|
| Ankle Circumference | 18–21.5 cm7"–8.5" | 21.5–25.5 cm8.5"–10" | 25.5–29 cm10"–11.5" | 29–36 cm11.5"–14" |
| Calf Circumference | 28–39 cm11"–15.5" | 31.5–45 cm12.5"–17.5" | 35.5–51 cm14"–20" | 41–61 cm16"–24" |
| Calf Circumference: Calf Plus w/Grip-Top | NANA | 39.5–53 cm15.5"–21" | 45.5–61 cm18"–24" | 51–71 cm20"–28" |
| Thigh Circumference | 45.5–66 cm18"–26" | 48–73 cm19"–28.5" | 52–84 cm20.5"–33" | 64–95 cm25"–37.5" |
| Hip Circumference Guidelines | 83–112.5 cm32.5"–44.5" | 87–127 cm34.5"–50" | 98–150.5 cm38.5"–59.5" | NANA |
| Measure | Petite | Short | Long |
|---|---|---|---|
| Calf Length | ≤35.5 cm≤14" | ≤41 cm≤16" | >41 cm>16" |
| Leg Length: Women & Open Toe | ≤65 cm≤25.5" | ≤72 cm≤28.5" | >72 cm>28.5" |
Size codes: Sizes combine letter + length: SP/SS/SL, MP/MS/ML, LS/LL, XS/XL. P = Petite (Small and Medium only); X = X-Large (XS = X-Large Short, XL = X-Large Long). Calf Plus w/Grip-Top sizes append /P: MS/P, ML/P, LS/P, LL/P, XS/P, XL/P (not available in Small or Petite).
Measure first thing in the morning, before swelling, with a soft tape measure held level. Applies to: Essential Opaque 860 Women's styles (incl. Opaque Plus, Maternity). Step-by-step Measuring Guide →
How to measure your legs for compression stockings, support socks, support hose, and gradient compression hosiery.
An important measuring tip: take your measurements with a tape measure, as shown below. Sizing charts are located on every product’s “see details” page for your convenience. If you need further assistance, please call 1-800-504-7315 or Live Chat with us.

Measure around the ankle at the narrowest point, generally above the ankle bone.

Measure around the calf muscle at the widest part.

Measure from the floor to the bend behind the knee.

Measure around the thigh approximately 3 inches below the gluteal fold (crease of the buttocks).

Measure the distance from the bottom of your buttocks to the floor.
Sizes may differ between various brands of support stockings—each manufacturer has their own sizing chart. A medium in one brand may not be a medium in another, and some brands offer petite (shorter) lengths while others do not. Knowing your measurements will ensure you get compression hosiery that fits properly and comfortably. Sizing charts are located on every product’s “see details” page.
Please call 1-800-504-7315 or Live Chat if you need more help sizing.
Take your measurements straight to our interactive brand charts, or convert a size you already know into another brand.
Interactive size charts Size converter (switch brands)Overall rating: 4.8461537 / 5 from 13 reviews.
Review topics: ["deal"].
"I love this brand and the socks with the dots on the top are my favoritre. They stay up and are my favorite, 30 40 is the best"
"I was disappointed when I was no longer able to purchase the Jobst Ultrasheer stockings that I'd been wearing for years, and because I was forced to switch, I tried several styles from Jobst, Sigvaris, and Juzo. These stockings were the most comfortable hands down. The silicone band is tight when the stockings are brand new, but not terribly so, and the band does relent with a few wearings--and it never, ever rolls, which was a problem with the Jobst stockings. Not only are these stockings more comfortable than the Jobsts, they also control my lower-leg/ankle swelling much better. I'm glad I was forced to discover them!"
"Love this style of sigvaris brand knee highs"
"like the fit and rubber holding strip at top"
"Everything is good, except for the seams around the toes, they are too rough."
"Everything is good. Thx"
"very comfortable to put on and around my knees"
"Works well, but could be better for tough tasks."
"Comfortable."
"I will be returning my stockings for a larger size. It was my mistake. The product is a good deal if you live in the States. (I live in Canada and it was not a good deal for me. )"
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