Last updated: August 23, 2026
By late afternoon your shoes tell you something your morning self did not know. Ankles look different, socks leave a ring, and a day spent standing or a long flight makes it more obvious. Compression socks are one of the few pieces of pregnancy gear that people who work long shifts buy on the first recommendation and then buy again.
They are also a product where the label is confusing on purpose. Grades, lengths, closed toe and open toe, wide calf, maternity specific and not. This guide sorts out which of those choices actually change how the sock feels, and which are marketing. What it will not do is tell you what grade you personally should wear, because that is a conversation for your midwife or OB-GYN.
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Quick Answer
Which maternity compression socks should you buy?
- Knee high is the length most people actually wear. Thigh high and full pantyhose styles get bought more often than they get worn.
- Measure your calf, not your shoe size. Calf circumference is what decides whether the sock is comfortable, and it changes during pregnancy.
- Graduated means the sock is firmer at the ankle and lighter up the leg. The grade is printed in mmHg on the package, and which grade suits you is a question for your provider.
- Put them on before you get out of bed. Owners who struggle with them almost always try later in the day.
Bottom line: knee high, graduated, sized on a fresh calf measurement, and put on first thing.
What Compression Socks Are and What They Are Not
A compression sock is a knitted sock engineered to press more firmly at the ankle and progressively less further up, which manufacturers call graduated compression. Pregnant people commonly wear them for comfort during long days on their feet, long drives, and flights. They are a comfort garment, not a treatment, and this article treats them that way.
If you have been given specific guidance by a clinician, that guidance beats anything on a product page. Compression grade in particular is a medical decision in some situations, especially if you have a history of clots, and it belongs with your care team rather than in a shopping cart.
Reading the Grade on the Package
Compression is printed as a range in mmHg, a pressure unit, and the packaging states which range the sock delivers. Lower ranges are the everyday over the counter kind that people wear to work; higher ranges are typically supplied or recommended by a clinician. The number is a specification, not a quality rating.
Higher is not better. A firmer sock is harder to get on, warmer to wear, and more likely to end up in a drawer, which is why so many owners describe going back down after buying the strongest one available. Ask your midwife or OB-GYN which range makes sense for you before you buy up.
Where Maternity Specific Differs
Most socks sold as maternity compression socks are ordinary graduated knee highs in different packaging. What can genuinely differ is calf sizing, since calves change during pregnancy, and the softness of the top band. Check the size chart rather than the word maternity in the title.
Sizing: Measure the Calf, Not the Shoe
Calf circumference is the measurement that decides fit, and it is the one most listings bury. Measure around the widest part of your calf, in the morning, and compare it to the chart for that specific brand. Shoe size alone routinely produces a sock that is too tight at the top or too loose at the ankle.
Remeasure later in pregnancy if the first pair starts to feel different. A band that leaves a deep mark or rolls down is telling you the calf size is wrong, not that compression socks are uncomfortable in general. Wide calf versions exist for exactly this reason.
Getting Them On Without a Fight
Put them on before you stand up in the morning. Legs are at their smallest first thing, and a sock that is a wrestling match at six in the evening slides on easily at seven in the morning. This single habit fixes most complaints about compression socks being impossible.
Technique helps too. Turn the sock inside out down to the heel, place the heel, then roll the leg upward rather than pulling from the top band. Rubber dishwashing gloves give grip without putting a fingernail through the knit, and a donner frame exists if bending down has become the real obstacle.
Compression Socks by Situation
If You Are on Your Feet All Day
Knee high graduated socks in a breathable knit are the workhorse. Buy a multipack so there is always a clean pair, since the barrier to wearing them is usually laundry rather than comfort.
If You Are Flying or Driving Long Distances
A single firmer pair for travel days is a common approach: worn for the flight and the airport, not every day. Many pregnant people find the ankle band is what they notice most on a long sit, so a wide soft top matters here.
If the Standard Sizes Do Not Fit Your Calves
Wide calf versions use a different knit and a taller top band, and they are the answer when a regular pair rolls or digs. Do not size up in length to solve a width problem, because that makes the ankle compression sit in the wrong place.
If It Is Hot and You Want Less Sock
Open toe styles are cooler, work with sandals, and are easier to pull on because the toe box is not fighting you. The trade off is a seam across the toes that some people notice inside shoes.
The Four Options Compared
| Option | Length | Fit note | Suits |
|---|---|---|---|
| Everyday knee high | Below the knee | Standard calf sizing | Long shifts and standing work |
| Travel pair | Below the knee | Firmer, wide top band | Flights and long drives |
| Wide calf | Below the knee | Larger circumference knit | Rolling or digging top bands |
| Open toe | Below the knee | Toe seam, cooler | Hot weather and sandals |
Thigh high and pantyhose versions exist and cover more leg, but they are also the styles owners most often report abandoning, so start with knee high unless you have been told otherwise.
What Owners Complain About
The top band is the number one complaint: it rolls, it digs, or it leaves a line. That is almost always a calf circumference problem rather than a compression problem, and a wide calf version solves it. The second complaint is heat, which is why breathable knits and open toe styles sell well in summer.
The third is simply forgetting to put them on until the day is underway, at which point they are much harder to get on. None of these are reasons to accept discomfort. Swelling that comes on suddenly, affects one leg much more than the other, or arrives with pain, redness, warmth, a headache, or changes in your vision is not a comfort question at all. Call your midwife or OB-GYN about it the same day rather than reaching for a sock.
Frequently Asked Questions
Which compression grade should I buy? That is a question for your midwife or OB-GYN, especially if you have any history of clots. Everyday over the counter socks state their range in mmHg on the package, and the strongest available is not automatically the right one for you.
Can I sleep in them? Ask your provider. Compression socks are usually described by manufacturers as daytime wear, put on in the morning and taken off at night, and sleeping in them is not something to decide from a product listing.
Knee high or thigh high? Knee high, for almost everyone. Thigh high styles cover more leg but slide down, are warmer, and are the ones people report giving up on. Start with knee high and only go further on advice.
Why do they leave a mark at the top? Usually because the calf size is too small, not because the compression is too strong. Measure the widest part of your calf and check that number against the brand chart, or move to a wide calf version.
Do I need maternity specific socks? Not necessarily. Most maternity labeled socks are standard graduated knee highs, and the useful difference is the calf sizing rather than the label. Buy on the size chart.
Can I keep wearing them after the birth? Many people do, particularly during long days of standing and carrying. If your legs feel different after the birth in a way that worries you, raise it at your postpartum check rather than adjusting the socks.
The Bottom Line
Knee high, graduated, sized on a real calf measurement, and pulled on before you get out of bed. That covers the comfort side of long days on your feet, and anything beyond comfort belongs with your care team. Read next: maternity clothes for work if long shifts are the reason you are here, and what you actually need in maternity clothes.