The PowerStep Dynamic Ankle Support Sock offers compression, support, and stability to enhance healthy movement and guard ligaments. It helps prevent ankle sprains, eversion and inversion injuries, and assists in healing. The sock has a soft, comfortable polyester base that provides mild graduated compression, arch support, and aligns the ankle for proper foot alignment and heel stability. The ankle support cage and stability strap offer dynamic stretch, flexibility, and protection to ligaments, while ensuring a customized fit. The sleek, low-profile design easily fits into most shoes. Sock size should be chosen based on a standard foot, but if you have wider feet, ankles, or calves, sizing up is recommended. The sock is machine washable for everyday and all-day wear. The size options are: Small (W5-7.5 & M4-6.5), Medium (W8-10.5 & M7-9.5), Large (W11-13.5 & M10-12.5), and Extra Large (W14+ & M13-14+).