"On® Performance Run Sock Mid: The Performance Run Sock Mid is a high-performance running sock designed for all runners seeking breathability and cushioned comfort during their training sessions. Best for runners engaging in daily training and tempo runs who want a reliable sock that enhances comfort and minimizes distractions. The ergonomic construction ensures a snug fit that conforms to the foot, providing a secure feel throughout every stride. This unisex sock is an essential accessory for athletes looking to elevate their running experience without compromising on performance.Featuring targeted cushioning, these socks deliver total comfort on every run, making them ideal for long efforts and recovery days. Ventilation panels help reduce sweat and blistering, ensuring that feet stay dry and comfortable even during intense workouts. The rib structure with integrated logo placement adds a touch of style, while the reflective yarn on the cuff enhances visibility in low-light conditions. These thoughtful design elements set the Performance Run Sock apart from standard options, making it a go-to choice for runners who prioritize both function and flair.Why Our Fit Experts Love It""I wore the Performance Run Socks during a series of long runs, and they kept my feet comfortable and blister-free. The cushioning is just right, and I appreciate the breathability on warmer days."" - Sean, Road Runner Sports Fit Expert, Chula Vista, CAWho It's Best ForThe Performance Run Sock Mid is best for runners looking for comfort during daily training, long runs, and tempo work. Athletes who want a lightweight sock that manages moisture and provides targeted cushioning will find this product ideal for their needs. VIP Family members can take the Performance Run Sock for a 90-Day test drive with our Perfect Fit Promise."