Get gradient compression therapy and relief from moderate leg or ankle swelling with these 20-30 mm- Hg Knee-High Firm Compression Stockings. Designed with lateral side zip, they are easy to zip on and off without any strain. Available as unisex to fit sizes S/M Calf 12” to 16.5” and Ankle 8.5”to 10”) and L/XL (Calf 13.5” to 19.5” and Ankle 11.5” to 13”) and can be comfortably worn underneath regular socks.