Copper Running Sport Socks - Perfect for Cycling, Jogging, Tennis, Walking Advanced Ventilation System: The copper socks feature a mesh top to provide superior breathability, allowing feet to stay cool and comfortable running your hardest runs, rides, and workouts Bilster Proection: A Ccushioned high impact sole and copper reinforced achilles heel protector on the socks to prevent blisters Durability and Support: The toe and heel of the copper socks are reinforced with copper yarn for durability and support Moisture Wicking: A technical and stylish fabric keeps keeps feet cool, dry, and comfortable. The advanced yarn takes away moisture from the feet, keeping socks dry. Whether using the copper socks for tennis, golf, cycling, running, or any sport, you are able to do so in comfort Prevents Odors: Copper infused yarn helps feet to feel great - it is also prevents odors from building up