FS4+ Running Sock: Relief for Plantar Fasciitis and More The FS4+ Running Sock is designed to alleviate discomfort associated with plantar fasciitis, swollen ankles, tendonitis, shin splints, and sore heels and feet. It accelerates the healing process and serves as both a preventative measure and a support system after an injury occurs. This lightweight sock wraps comfortably around the calf to promote good circulation and is made from moisture-regulating material for optimal comfort. The FS4+ features patented compression technology along with an anatomical heel and wrist design, ensuring a perfect fit. Key Features: Targeted Relief: Helps with plantar fasciitis, swollen ankles, and more. Lightweight Design: Ensures comfort while providing essential support. Moisture-Regulating Material: Keeps feet dry and comfortable during use. Patented Compression Technology: Enhances circulation and promotes healing. Effective in Key Areas: Provides maximum relief in exposed areas like the foot and calf. Sold in Pairs: Conveniently packaged for your use. Choose the FS4+ Running Sock for effective support and comfort during your activities!