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Women's 30-40 mmHg Compression Stockings & Socks

30-40 mmHg is the strongest graduated compression level we carry. It's typically used for severe chronic venous insufficiency, significant lymphedema-related swelling, or advanced circulation conditions — generally as part of a treatment plan a healthcare provider has recommended, rather than chosen independently. This is a treatment tool, not a starting point — most people wearing this level already have a provider's guidance in place.

Available in knee high, thigh high, and pantyhose lengths, in open toe and closed toe designs, from JOBST, Sigvaris, Juzo, Activa, Truform, and Second Skin.

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Mature woman and man wearing knee-high 30-40 mmHg compression stockings in a bright home
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187 products

  • A pair of knee-high compression stockings in a natural color, designed to be worn on the legs, shown without the feet.
    JOBST Opaque Open Toe Knee High 30-40 mmHg w/ SoftFit Band
    20% off
    Jobst

    JOBST Opaque Open Toe Knee High 30-40 mmHg w/ SoftFit Band

    JOBST Opaque Open Toe Knee High 30-40 mmHg w/ SoftFit Band delivers Extra Firm Compression for lower-leg comfort in an...

    ( 2 )

    $75.20 $94.00
    $75.20
    $75.20 $94.00
  • Person wearing black underwear with beige tights on a white background
    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg w/ Waist Attachment
    20% off
    Sigvaris

    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg w/ Waist Attachment

    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg w/ Waist Attachment delivers Extra Firm Compression for extended-leg containment,...

    ( 5 )

    $91.56 $114.45
    $91.56
    $91.56 $114.45
  • Therafirm Ease Opaque Unisex Open Toe Thigh High 30-40 mmHg
    Therafirm Ease Opaque Unisex Open Toe Thigh High 30-40 mmHg
    20% off
    Therafirm

    Therafirm Ease Opaque Unisex Open Toe Thigh High 30-40 mmHg

    Therafirm Ease Unisex 30-40 mmHg Thigh High — Opaque Coverage and Everyday ComfortTherafirm Ease Unisex 30-40 mmHg Thigh High Compression...

    ( 1 )

    $89.20 $111.50
    $89.20
    $89.20 $111.50
  • Person wearing a black tank top with a beige arm sleeve on a white background
    JOBST Bella Strong Arm Sleeve 30-40 mmHg w/ Silicone Top Band
    20% off
    Jobst

    JOBST Bella Strong Arm Sleeve 30-40 mmHg w/ Silicone Top Band

    JOBST Bella Strong Arm Sleeve 30-40 mmHg w/ Silicone Top Band delivers Extra Firm Compression for arm compression, built around...

    ( 3 )

    $54.40 $68.00
    $54.40
    $54.40 $68.00
  • Black knee-high socks worn by a person on a white background
    Begie knee-high socks worn by a person on a white background
    20% off
    Sigvaris

    Sigvaris Secure Unisex Open Toe Knee High 30-40 mmHg

    Sigvaris Secure Unisex Open Toe Knee High 30-40 mmHg delivers Extra Firm Compression for lower-leg containment, featuring enhanced containment and...

    ( 1 )

    $95.96 $119.95
    $95.96
    $95.96 $119.95
  • Beige tights worn by a model on a white background
    Navy Blue tights worn by a model on a white background
    20% off
    Sigvaris

    Sigvaris Dynaven Opaque Women's Pantyhose 30-40 mmHg

    Sigvaris Dynaven Opaque Women's Pantyhose 30-40 mmHg delivers Extra Firm Compression for full-leg containment, offering reliable, affordable everyday support Designed...

    ( 9 )

    $78.36 $97.95
    $78.36
    $78.36 $97.95
  • Beige knee-high socks on a white background
    Black knee-high socks on a white background
    20% off
    Sigvaris

    Sigvaris Cotton Women's Thigh High 30-40 mmHg

    Sigvaris Essential Cotton Women's Thigh High 30-40 mmHg delivers Extra Firm Compression for extended-leg containment, offering a natural-feel everyday stocking...

    ( 3 )

    $104.76 $130.95
    $104.76
    $104.76 $130.95
  • White knee-high socks worn by a person on a white background
    Navy knee-high socks worn by a person on a white background
    Begie knee-high socks worn by a person on a white background
    Black knee-high socks worn by a person on a white background
    20% off
    Sigvaris

    Sigvaris Cotton Women's Knee High 30-40 mmHg

    Sigvaris Essential Cotton Women's Knee High 30-40 mmHg delivers Extra Firm Compression for lower-leg containment, offering a natural-feel everyday stocking...

    ( 2 )

    $72.76 $90.95
    $72.76
    $72.76 $90.95
  • JOBST FarrowWrap Classic Footpiece 30-40 mmHg
    20% off
    Jobst

    JOBST FarrowWrap Classic Footpiece 30-40 mmHg

    JOBST FarrowWrap Classic Footpiece 30-40 mmHg delivers Extra Firm Compression for foot and ankle edema management, centered on a more...

    ( 2 )

    $64.00 $80.00
    $64.00
    $64.00 $80.00
  • Beige compression stockings on a white background
    20% off
    Sigvaris

    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg w/ Grip Top

    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg w/ Grip Top delivers Extra Firm Compression for extended-leg containment,...

    ( 6 )

    $167.56 $209.45
    $167.56
    $167.56 $209.45
  • A pair of Jobst Opaque Closed Toe Thigh High compression stockings in a natural color, designed for firm support of 30-40 mmHg.
    JOBST Opaque Sensitive Thigh High 30-40 mmHg
    20% off
    Jobst

    JOBST Opaque Sensitive Thigh High 30-40 mmHg

    JOBST Opaque Sensitive Thigh High 30-40 mmHg delivers Extra Firm Compression for extended-leg comfort in a closed toe style, with...

    ( 2 )

    $108.80 $136.00
    $108.80
    $108.80 $136.00
  • Therafirm Support Unisex Open Toe Thigh High 30-40 mmHg
    Therafirm Support Unisex Open Toe Thigh High 30-40 mmHg
    20% off
    Therafirm

    Therafirm Support Unisex Open Toe Thigh High 30-40 mmHg

    Therafirm Support 30-40 mmHg Thigh High — Opaque Coverage and Everyday ComfortTherafirm Support 30-40 mmHg Thigh High Compression Stockings –...

    ( 7 )

    $69.20 $86.50
    $69.20
    $69.20 $86.50
  • Therafirm Ease Opaque Unisex Open Toe Knee High 30-40 mmHg
    Therafirm Ease Opaque Unisex Open Toe Knee High 30-40 mmHg
    20% off
    Therafirm

    Therafirm Ease Opaque Unisex Open Toe Knee High 30-40 mmHg

    Therafirm Ease Unisex 30-40 mmHg Knee High — Opaque Coverage and Everyday ComfortTherafirm Ease Unisex 30-40 mmHg Knee High Compression...

    ( 2 )

    $61.60 $77.00
    $61.60
    $61.60 $77.00
  • Beige tights worn by a model on a white background
    Black tights worn by a model on a white background
    20% off
    Sigvaris

    Sigvaris Soft Opaque Women's Open Toe Pantyhose 30-40 mmHg

    Sigvaris Style Soft Opaque Women's Open Toe Pantyhose 30-40 mmHg delivers Extra Firm Compression for full-leg containment, offering a smooth,...

    ( 1 )

    $119.96 $149.95
    $119.96
    $119.96 $149.95
  • Beige tights worn by a person on a white background
    Black tights worn by a person on a white background
    20% off
    Sigvaris

    Sigvaris Secure Women's Knee High 30-40 mmHg

    Sigvaris Secure Women's Knee High 30-40 mmHg delivers Extra Firm Compression for lower-leg containment, featuring enhanced containment and comfort at...

    ( 1 )

    $95.96 $119.95
    $95.96
    $95.96 $119.95
  • Beige compression stockings worn by a person on a white background
    20% off
    Sigvaris

    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg

    Sigvaris Natural Rubber Unisex Open Toe Thigh High 30-40 mmHg delivers Extra Firm Compression for extended-leg containment, known for durable...

    ( 2 )

    $141.16 $176.45
    $141.16
    $141.16 $176.45

Frequently Asked Questions

30-40 mmHg extra firm compression is generally reserved for more advanced conditions — significant chronic venous insufficiency, lymphedema-related swelling severe enough to need ongoing management, or post-thrombotic syndrome (chronic leg symptoms that can develop after a prior blood clot, or DVT). See our Lymphedema and Deep Vein Thrombosis (DVT) guides for condition-specific detail on those two paths. It's almost always worn by people actively managing a diagnosed condition long-term, rather than as a starting point — most people wearing this level have been through lighter compression first and have a provider actively involved in their ongoing care plan. Because of how strong this compression is, it's typically prescribed or recommended as part of an ongoing care plan with a provider, rather than something most people choose on their own without that guidance already in place.

30-40 mmHg is best used when a healthcare provider has specifically recommended this strength for your condition. If you haven't been advised to use extra firm compression, starting at a lighter level — or speaking with a provider first — is the safer path, since a precise fit matters more here and an incorrect one can be uncomfortable or less effective than intended.

This is the firmest level we carry, so there's nowhere higher to compare to. Women's 20-30 mmHg firm compression suits moderate to severe symptoms that don't require extra-firm support. Women's 15-20 mmHg moderate compression fits milder symptoms and standing occupations. Women's 8-15 mmHg light compression is best for gentle daily support when no specific condition has been diagnosed.

At this firmness, a donning glove or stocking donner moves from helpful to close to essential for most people — this is the level where the same firmness that makes the compression effective also makes it hardest to apply by hand alone. See our How to Put On guide before your first pair arrives. For care, avoid wringing or twisting when washing; hand wash in cool water and lay flat to dry. Plan to replace them roughly every 3 months with daily wear.

Because 30-40 mmHg is typically part of a provider-directed treatment plan, it may have a stronger case for insurance or FSA/HSA reimbursement than lighter levels, but coverage still depends on your plan and documentation requirements. A Letter of Medical Necessity is often already part of that plan. See our Prescription & Insurance Info guide, and confirm specifics with your plan administrator before purchasing.

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