Our Original Zipper Compression Socks, Easy To Put On Or Take Off. The Closed Toe Provides Full Compression Support For All Day Relief. The 20-30 mmHg Firm Compression Grade Helps With Leg Swelling, Fatigue, Varicose Veins, Edema And Leg Circulations. Helps With Reducing Leg Swelling For Quicker Recovery. Increase Leg Circulations For Better Blood Flow Throughout The Day. Now Even Better Than Before, New Improvements On The Material For More Firm Support. Side Sewing On Zipper For Better Stability And More Reliable. We Upgraded The Standard Zipper To The High Quality YKK Zipper. This Helps Prevents From Unzipping Or Breaking During Usage. Includes Inner Fabric To Prevent Zipper From Rubbing Against Skin.