Never Been Worn Size S/M **One of the yellow socks has a brown stitching on the inside that shows on the heel. SEE PICTURE** The arch area of socks is designed with a triangle-like pattern to provide support for the medial and lateral sides of the foot. Targeted arch compression keeps your arch stable and secure Mesh design and breathable. These compression ankle socks for women are made of material, which can quickly absorb moisture and release sweat. Mesh ventilation in the arch reduces heat and increases perspiration, good moisture-wicking performance to help your feet keep cool and breathable all-day long Suitable for most sports activities, such as running, workout, gym sessions, walking long distances, jogging, trips, tennis, golf, fitness, and everyday use