Which Compression Class Should I Choose?

Choosing the right compression class depends on your symptoms, intended use, and whether the socks are recommended by a healthcare professional. For buyers looking for medical grade compression socks, understanding the relationship between compression class and mmHg is an important first step.

1. What does compression class mean?

Compression class indicates how much pressure the sock applies to the leg. In general, higher compression provides stronger support.

However, compression class systems can vary by country and standard, so mmHg is often a more useful specification when comparing products.

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2. Understanding medical grade compression socks mmHg levels

When choosing medical grade compression socks, common compression levels include:

• 8–15 mmHg – Light support for everyday comfort and travel
• 15–20 mmHg – Mild compression for tired or slightly swollen legs
• 20–30 mmHg – Moderate compression, commonly used for varicose veins and more noticeable swelling
• 30–40 mmHg – Firm compression, generally requiring professional guidance

The right level depends on the wearer's condition rather than simply choosing the strongest compression.

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3. When should I choose Class 2 compression?

Class 2 medical compression socks provide stronger compression than everyday support socks and are commonly selected when moderate compression is required.

They may be suitable for situations such as:

• Varicose veins
• Leg swelling
• Venous circulation problems
• Recovery after certain medical procedures
• Long periods of standing or sitting, when medically appropriate

Because classification standards differ between markets, buyers should always check the actual mmHg specification and applicable medical requirements.

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4. How do I choose the right compression class?

A simple way to start is:

Light symptoms → lower compression
Moderate symptoms → moderate compression
Medical conditions → follow professional advice

For manufacturers and medical distributors, it is also important to consider compression consistency, sizing accuracy, knitting technology, materials, and quality control—not just the compression level.

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5. Choose the right compression, not simply the strongest

The best compression sock is not necessarily the one with the highest mmHg. Medical grade compression socks should provide the appropriate pressure, comfortable fit, and consistent graduated compression for their intended use.

For medical or therapeutic applications, users should consult a healthcare professional when they are unsure which compression class is appropriate.

For B2B buyers: A professional manufacturer can provide different compression levels, lengths, toe options, sizes, materials, and OEM/ODM solutions according to your market requirements.