These medical-grade compression socks (20-30 mmHg) are designed to improve circulation, reduce swelling, and relieve leg fatigue. Ideal for running, travel, nursing, pregnancy, and long workdays. The black, S/M size is unisex, breathable, and machine-washable. With non-slip cuffs and a seamless toe, they remain comfortable all day. Graduated pressure helps prevent DVT and varicose veins, making them a practical choice for professionals and athletes alike.