All aspects of your run will improve with the performance-enhancing features of the Nike Elite Structure Cushioned Low Sock. Sensory Enhancement technology (SET), a zonal compression system in the arch and forefoot, offers a snug, supportive feel engineered to heighten your awareness of foot position and stability. Make it through long runs without foot fatigue with the high-strength arch support. Anti-blister construction through two layers of low-friction yarn, reducing heat buildup and rubbing. 53% polyester/44% nylon/3% spandex. Imported.