Knee high stockings are legwear that stops just below the knee, and they come in two very different flavors. One is sheer or opaque hosiery for outfits. The other is compression or support hosiery for circulation, swelling, and tired legs. If you searched "knee high stockings" and aren't sure which one you need, you're not alone.
This guide covers both. We'll walk through fashion knee-highs, compression knee-highs, how to size either one, and where to actually buy them.
What Are Knee High Stockings?
Knee high stockings are hosiery that covers your foot and leg up to just below the knee, usually held up by an elastic band at the top instead of a garter or waistband. That's the whole category, whether you're calling them knee highs, knee high hose, or knee high hosiery — it's all the same product.
People also search for knee high pantyhose, knee high nylons, and knee high tights, and honestly, most folks use these terms loosely to mean the same thing. Technically, pantyhose cover your whole leg plus your waist in one piece, while knee highs stop at the knee and don't need a waistband at all. Tights usually mean a thicker, opaque knit, while nylons and hose usually mean sheer.
Knee highs are also different from thigh-highs, which extend to mid-thigh and often use a silicone grip band to stay up. And they're different from regular crew socks, which are casual, made from cotton or synthetic blends, and built for everyday wear rather than a polished, sheer look. If that's actually what you're after — a comfortable, fun sock for daily life instead of hosiery — that's a different product entirely, and brands like Dumber make plenty of those.
Fashion & Everyday Knee High Stockings
If you're dressing for the office, a dress, or a skirt, fashion knee-highs are the ones you want. They're built to look polished under clothes, not to treat a medical condition.
Sheer, Opaque & Nylon Styles
Sheer knee-highs are thin, close to your skin tone, and made to be nearly invisible under a dress or skirt. Opaque knee-highs are thicker and show up as a solid color, which works better with boots or a more casual look. Nylon is still the most common material because it's stretchy and holds its shape, but you'll also find cotton-blend knee highs that breathe better for all-day wear.
Style Details: Lace, Bows & Color
Beyond the basics, fashion knee-highs come in plenty of small variations. Lace trim at the top is popular for a dressier look. Some styles add a small bow at the ankle or knee. Classic white knee highs are common for uniforms or a retro outfit, while black and nude stay the most practical everyday picks.
Compression Knee High Socks & Stockings (Support Styles)
Compression knee-highs are built to squeeze your leg gently, tighter at the ankle and looser as it goes up toward the knee. That gradual squeeze is called graduated compression, and it helps push blood back up toward your heart instead of pooling in your lower leg.
What Compression Levels Mean
Compression is measured in mmHg (millimeters of mercury), and the number tells you how strong the squeeze is. Here's roughly how the tiers break down:
| Compression Level | Typical Use |
|---|---|
| 8-15 mmHg | Mild support for tired, achy legs; everyday wear or long flights |
| 15-20 mmHg | Moderate support for standing jobs, mild swelling, or pregnancy |
| 20-30 mmHg | Firm support, often recommended for varicose veins or post-travel swelling |
| 30-40 mmHg | Medical-grade compression, usually prescribed for DVT risk, lymphedema, or post-surgical recovery |
If you've never worn compression before, start at the lower end. Anything above 20 mmHg is worth checking with a doctor first, especially if you have diabetes or poor circulation, since too much compression can actually cut off blood flow instead of helping it.
Who Actually Needs Support Knee Highs
You don't need a medical reason to wear support knee-highs. If your legs feel heavy after a long shift on your feet, a mild 8-15 or 15-20 mmHg pair can genuinely help. Frequent flyers reach for the same range to fight swelling on long flights. Pregnant women often use 15-20 mmHg knee-highs for the same reason, since extra fluid and pressure on leg veins are common in later trimesters.
If you have diagnosed varicose veins, a history of blood clots, or your doctor mentioned edema, that's when 20-30 or 30-40 mmHg medical-grade compression comes in. Those higher tiers are worth buying from a medical supply retailer rather than a random discount pack, since the compression needs to be accurate to actually work.
Do Compression Stockings Help With DVT?
Graduated compression stockings, usually in the 15-20 or 20-30 mmHg range, are commonly used to lower deep vein thrombosis (DVT) risk during long travel or after surgery, since they support blood flow back up the leg. They're not a treatment for an active clot. If you have sudden swelling, redness, or pain in one leg, see a doctor right away instead of relying on stockings alone.
How to Choose the Right Size (Including Plus & Queen Size)
Compression and support knee-highs only work if the size is right. Too loose and you lose the benefit; too tight and you'll cut off circulation instead of helping it.
Measure two spots: the widest part of your calf and your ankle just above the anklebone. Most brands size off calf circumference first, then match it against a chart with your shoe size or height as a backup check. If your calf measurement lands between two sizes, size up rather than down.
If you're between standard sizes or have a fuller calf, look for plus or queen size knee-highs specifically, and check for a wide-calf option if the brand offers one. Fashion knee-highs are more forgiving here since they're stretchy nylon, but compression styles need an accurate fit to hit the right mmHg.
Where to Buy Knee High Stockings
For fashion knee-highs, hosiery brands and department stores carry the widest range of colors, patterns, and price points, and value packs are an easy way to stock up cheap. For compression knee-highs, it's worth buying from a medical supply retailer or a brand that lists the actual mmHg on the label, since generic "support hose" sold without a compression number can be inconsistent.
Marketplaces like Amazon carry both types and are fine for basic fashion knee-highs, but check the return policy before ordering compression stockings in bulk. Sizing mistakes are common, and hosiery isn't always returnable once opened.
Best Knee High Stockings by Use Case
| Use Case | What to Look For |
|---|---|
| Everyday fashion | Sheer or opaque nylon knee-highs in black, nude, or white |
| Air travel | 8-15 or 15-20 mmHg graduated compression |
| Pregnancy | 15-20 mmHg, maternity-labeled for a comfortable top band |
| Standing all day at work | 15-20 or 20-30 mmHg, reinforced heel and toe |
| Budget multi-pack | Value packs from mass hosiery brands, non-compression |
Frequently Asked Questions
What's the difference between knee high stockings and knee high socks?
Stockings usually mean sheer or opaque nylon hosiery meant to look polished under work or dress clothes. Socks are thicker, casual, and made from cotton or synthetic blends for everyday comfort rather than a dressy look.
Can you wear compression knee-highs every day?
Yes, mild to moderate compression (8-15 or 15-20 mmHg) is generally fine for daily wear. Higher medical-grade compression (30-40 mmHg) is usually meant for specific conditions, so check with a doctor before wearing that tier all day, every day.
What mmHg is best for flying?
Most people do well with 15-20 mmHg for flights over a few hours. It's enough to reduce swelling and support circulation without needing a prescription or medical fitting.
Are knee high stockings safe for diabetics?
Mild compression can be fine, but anyone with diabetes should check with a doctor before wearing anything above 15-20 mmHg, since reduced circulation in the feet can make higher compression risky. Look for diabetic-specific socks with a non-binding top if circulation is a known concern.