With a slightly longer shaft length, the Vivify Sock gives support further up the calf. Mesh zones combine with a waffle knit and flat seams at the toe for extra comfort and support. Soft yarn is moisture wicking and breathable for comfort. Waffle knit structure on the shaft gives comfort and support. Air mesh construction gives exceptional breathability and comfort. A high-density band around the middle of the foot gives additional support. 20cm shaft length gives good coverage of the ankle and lower shin.