A bit too long
"These are a little bit better, but they still are too long. I have to leave part of it so-called bunched up down below so that I don’t roll at the top and cut off my circulation in my leg."
SKU: SS-8845-S
SECOND SKIN Surgical Grade 30-40 mmHg Knee High Support Stockings
$30.93
$30.93
$57.43
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HSA/FSA accepted.
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Description
Second Skin Surgical Grade Knee High 30-40 mmHg — Extra Firm Below-Knee Support in Sizes to 3X-Large
Second Skin Surgical Grade knee highs deliver 30-40 mmHg extra firm graduated compression from ankle to below the knee, held in place by a soft, non-constricting stay-up top. A classic, concealing smooth knit texture that helps conceal unsightly conditions. Available in Small to 3X-Large. This sits in the extra firm compression class, indicated for advanced varicose veins, heavy or lymphatic swelling, chronic venous insufficiency (cvi), preventing and managing venous ulcers.
Key Features
Medical Benefits
Clinical Applications
Product Specifications
Indications & Contraindications
Second Skin Surgical Grade 20-30 & 30-40 mmHg Size Chart
Knee High & Thigh High
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.
👆 Tap a value in the table to highlight your size.
Measurements
| Measure | Small | Medium | Large | X-Large | 2X-Large | 3X-Large |
|---|---|---|---|---|---|---|
| Ankle (circumference) | ||||||
| Calf (circumference) | ||||||
| Thigh (circumference) | ||||||
| Length to thigh |
Small
Ankle (circumference)
7" - 8¼"
Calf (circumference)
11" - 14"
Thigh (circumference)
up to 20"
Length to thigh
up to 26"
Medium
Ankle (circumference)
8⅜" - 9⅝"
Calf (circumference)
13½" - 16"
Thigh (circumference)
up to 22"
Length to thigh
up to 28"
Large
Ankle (circumference)
9¾" - 11"
Calf (circumference)
15½" - 18"
Thigh (circumference)
up to 23"
Length to thigh
up to 29"
X-Large
Ankle (circumference)
11⅛" - 12⅜"
Calf (circumference)
17½" - 20"
Thigh (circumference)
up to 24"
Length to thigh
up to 31"
2X-Large
Ankle (circumference)
12½" - 13¾"
Calf (circumference)
19½" - 22"
Thigh (circumference)
N/A
Length to thigh
N/A
3X-Large
Ankle (circumference)
12½" - 13¾"
Calf (circumference)
21½" - 24"
Thigh (circumference)
N/A
Length to thigh
N/A
- 2X-Large and 3X-Large share the same ankle range and are differentiated by calf measurement.
Need help choosing your size?
Our Certified Fitters are standing by. Mon–Fri 8am–7pm CST
📞 1-800-504-7315
Between sizes? Size down for a firmer therapeutic fit, or up for easier donning. It should feel snug — like a firm, even hug.
Wrong size? No problem. Easy exchanges — we’ll get you into the right fit.
Measure first thing in the morning, before swelling, with a soft tape measure held level. Applies to: Knee High & Thigh High — 30-40 mmHg. Step-by-step Measuring Guide →
Measuring Guide for Sizing of Compression Stockings
Sizing
Measuring Guide
How to measure your legs for compression stockings, support socks, support hose, and gradient compression hosiery.
Where to Measure
- For knee-highs: measure around your ankle and calf. Then measure the distance from the floor to the back of your knee.
- For thigh-highs and pantyhose: measure around your ankle, calf, and upper thigh. Then measure the distance from the floor to your upper thigh (bottom of your buttocks).
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.
How to Properly Measure and Apply Compression Stockings
The Key Measurements
Ankle
Measure around the ankle at the narrowest point, generally above the ankle bone.
Calf
Measure around the calf muscle at the widest part.
Length
Measure from the floor to the bend behind the knee.
Thigh
Measure around the thigh approximately 3 inches below the gluteal fold (crease of the buttocks).
Thigh Length
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.
Measured up? Find your exact size
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)Frequently Asked Questions
What are Second Skin Surgical Grade knee highs?
What does 30-40 mmHg mean, and what does it help with?
Do these come in plus or wide-calf sizes?
How do I put these on and take them off?
How do I care for them?
Overall rating: 3.5714285 / 5 from 14 reviews.
AI Generated Review Summary
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Review highlights
Reviews
New to me
"Overall I am rating this a 4 stars. It might go to a 5 after I wear them awhile. Hard to put on for the first time. VERY comfortable once on. verall very good at first blush."
They do what they are
"They do what they are supposed to do and are comfortable"
Works
"Works for light tasks, but may not be durable for heavy tasks."
Works
"Works for everyday use, but could improve for larger jobs."
Meets expectations
"Meets expectations, could improve in certain areas."
They are fine
"They are fine"
Good
"Good"
I am always impressed with
"I am always impressed with your service and the support of your knowledgeable staff. Thank you."
Product performs better than the
"Product performs better than the more expensive brand that I'd been using."
