Our lightest, most responsive sock, the Race Day Crew Sock is designed to correspond with our fastest shoes for all-out efforts. With minimal cushioning, strategic zones of open-hole mesh for high breathability and a silicone anti-slip gripper, it's thin, sleek and constructed specifically for stepping on the gas. Designed For: Road Running Race Features: Lightweight, breathable elastic mesh Zonal engineered open-hole mesh for extra breathability Minimal cushioning at high-impact areas Compressive ribbed arch support Silicone anti-slip gripper Fabric: 4% Cotton, 6% Elastane, 74% Nylon, 16% Polyester