Fit and Design: Performance fit running socks Micro height Women's specific fit features a narrower heel and slimmer fit Ultra Light cushioning achieves the absolute minimum between you and your shoes Body-mapped ventilation zones enhance breathability Achilles tab helps prevent the socks from slipping down into your shoes 360deg Print adds a colorful twist to the socks' high performance Technology: Indestructawool(TM) technology features a construction method that achieves exceptional durability and comfort 4 Degree(TM) Elite Fit system offers a dialed, performance-oriented fit with a flex zone at the ankle joint to keep your socks in place Virtually Seamless(TM) toe features smoothed out toe seams for ultimate in-shoe fit and comfort Shred Shield(TM) anti-wear technology helps reduce wear from toes