Compression, explained properly
Evidence-led guides and honest product reviews for swelling, recovery, travel and everyday support, including lymphatic leggings reviewed and compared by compression level.
Research-based product guides · Updated August 2026
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Compression is not one-size-fits-all. Learn what the numbers and construction types actually mean.
15–20 mmHg
Moderate · US range
Commonly used for everyday swelling, travel and long days on your feet. Often the starting point for first-time compression wearers.
20–30 mmHg
Firm · US range
Frequently discussed for more persistent venous swelling or later-stage lymphedema. Firm, and usually chosen with a clinician's input.
30–40 mmHg
Extra firm · US range
A clinical range that is prescribed and fitted professionally rather than self-selected. Included here for context, not as a recommendation.
Flat vs circular knit
Construction
Flat knit is stiffer and distributes pressure across irregular tissue; circular knit is smoother and more common in everyday leggings.
Compression classes are a framework, not a prescription. The level that may be appropriate depends on the individual's condition, and professional fitting may be appropriate.
Class numbers depend on the standard (German, British and French classes all differ). Compare them in the compression class converter →
Four garments that appear repeatedly across our published guides, grouped by compression level.
15–20 mmHg · US range
Best for: Everyday wear, first-time compression wearers
A Swiss medical compression brand with a long clinical track record. Discreet enough to read as regular black tights, with measurement-based sizing.
15–20 mmHg · US range
Best for: Flat construction, invisible under trousers or uniform
Flat construction with no visible compression lines, so it disappears under trousers or a uniform. Waistband stays put on long days.
15–20 mmHg · K1 (maker)
Best for: Lipedema and lymphedema support
Made in Italy for lipedema and lymphedema support, high waist, reinforced knit. Rated 15–20 mmHg in the maker's 2025 catalogue; some Amazon listings state 18–21 mmHg. Shorter-leg sizes available.
20–30 mmHg · US range
Best for: Post-surgical recovery, firmer support
The name you meet most often in clinical settings. Waist-high coverage for swelling that extends above the knee, in a firm 20–30 mmHg range.
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Featured guide
Medical grade compression leggings explained: compression classes, mmHg ranges, and the options most often discussed for lymphedema, lipedema, and varicose veins. This is the framework used throughout the rest of the site, so it's the clearest place to start.
Read the GuideOur evaluations are research-based editorial reviews, not hands-on physical product testing. We work from manufacturer specifications, published compression-class standards, and clinical and educational sources such as the Norton School of Lymphatic Therapy.
How clearly the mmHg level and compression class are specified by the manufacturer.
Whether the brand provides measurement-based sizing that makes an appropriate fit realistic to select.
Flat knit vs circular knit, seams, waistband behaviour and fabric quality.
How well the garment suits its intended use case, from desk days to long-haul travel.
Whether the price is reasonable for its category and construction.
We follow published compression-class standards and cite our sources rather than repeating marketing claims.
Every recommendation names a specific garment, its compression range and its construction.
Compression garments support comfort and management; they do not treat or cure a condition. Post-operative compression should follow your treating surgeon or clinician's instructions, not general guidance here.
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Compression leggings for lymphedema, which products work for Stage 1, 2, and beyond, why flat-knit matters, and when to self-purchase vs. see a specialist. Updated 2026.
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A practical guide to compression levels, fit and choosing the right garment for your needs.
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