Nike Spark Lightweight Crew Running Socks LIGHTWEIGHT. The Nike Spark Lightweight socks are designed for runners who want a barefoot-like feel. They feature sweat-wicking technology and mesh material to keep you dry and cool. Additional yarn in the footbed and at the ankles provides subtle micro-cushioning and gives you secure support with every step. Reflective updates have been placed in key areas to set these socks apart from previous versions. Reflective elements for your runs We've updated our Spark Lightweight socks with reflective details on the collar. Reflective yarns are also integrated into the mesh pattern on the back of the foot. Lightweight feel The lightweight material provides a barefoot-like feel. More yarn in the footbed and ankle area ensures micro-cushioning in key areas. Breathable in key areas Mesh on the back of the foot improves ventilation. The striped pattern on the foot shows where the mesh has been placed. Sweat-wicking technology draws perspiration away from the skin so that it evaporates more quickly, keeping you dry and comfortable. The arch band follows the shape of the foot for a secure fit and feel. More DetailsNot suitable for use as personal protective equipment81% nylon/17% elastane/2% polyesterMachine washImported100% TEXTILE