The Core-Spun 10-15 mmHg Knee High Compression Socks are an everyday support sock designed to energize legs and feet, improve circulation, and prevent light swelling. FEATURES 10-15 mmHg (the mean compression for an average ankle size) Ultra stretchy yarns make the sock easier to put on High-tech CoolMax or X-STATIC fibers wick away moisture for a dyer and more hygienic sock environment Comfort designed top is non-restrictive while staying in place all day Reinforced, comfortable heel and toe Black color contain X-STATIC silver fibers for moisture wicking LATEX-FREE fibers for soft, cool comfort 100% USA Made SPECIFICATIONS Brand: Therafirm Series: Core-Spun Compression: 10-15 mmHg Style: Knee HighFabric Content: Coolmax, Nylon and Lycra