Material: Polyester Patterned: Solid color Care Instructions: Machine Wash See more Name :compression socks Compression level: Material :nylon+cotton Suitable for Season :Spring, Summer,Autumn, Winter Size : S / M, L / XL Thickness : Medium Style : Sports About the Compression Socks What You Need to Know First level ): It is suitable for health prevention in people. For example, teachers, traffic police, nurses, doctors, beauticians, shopping guides, etc.,and these socks are also suitable for early symptoms, such as venous vessels with slight Lower limb, standing times too long that feeling Soreness Level 2 ): For those who have obvious symptoms in the lower limbs and are accompanied by leg discomfort (such as sore limbs, fatigue, swelling and eczema, cramps, tingling pigmentation, etc.), phlebitis, pregnant, after saphenous vein excision, and deep vein thrombosis syndrome. Level 3 ): Suitable for people with high swelling, darkened skin, and irreversible lymphedema.