Designed for the runner looking for a barefoot feel, the Nike Spark Lightweight Socks feature sweat-wicking technology and mesh fabric for a dry and cool experience. Extra yarn in the footbed and ankle provide subtle micro cushioning, giving you soft support with every step. Reflective updates have been placed in key areas, making this sock stand out from previous versions. Reflective yarns are also integrated into the mesh pattern at the top of the foot. Lightweight fabric gives you a "barefoot" feel. More yarn in the footbed and ankle deliver micro cushioning where you need it. Mesh at the top of the foot provides optimal ventilation. A striped pattern across the foot indicated where the mesh is placed. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. The arch band contours around the foot for a secure fit and feel.Nike Spark Lightweight running ankle socks.