Pure Athlete Running Socks Quarter Length - Lightweight, Thin, Moisture Wicking - Anti-Blister Athletic Sock No Blisters: The quarter running socks feature a special designed toe and heel area to prevent any blisters during your hardest runs. Arch Support: A light band around the arch of the sock provides arch support and ensures a comfortable fit. Breathable Ventilation Top: The running socks feature an advanced mesh top that allows the socks to breathe in running shoes. Your feet stay at the perfect temperature. Moisture Wicking Performance Fabric: Made of lightweight moisture wicking fabric, the socks do not get heavy with perspiration. 100% Satisfaction Guarantee: We know these are the best running socks you will ever wear. We guarantee it! If not fully satisfied, simple return them with 30 days for your money back.