Antibacterial, Breathable & Non-slip! 80% Combed Cotton/20% Antimicrobial Yarn Copper yarn with maximum cushioned comfort to PREVENT PAINFUL BLISTERS for any active lifestyle – great for training, sports, every day or simply relaxing. ABRASION PROTECTION & COMFORTABLE – Foot loop will cover the foot completely to increase double protection from wounds caused by the excessive friction and shoes. ANTIBACTERIAL & ODOR-RESISTANT – Copper can kill at least 99.9% of the bacteria and viruses within 2 hours. Antibacterial Copper nanoparticles kills bacteria in vitro reducing/eliminating those deadly smells. It helps to get rid of embarrassing smelly feet. Powerful moisture-wicking cotton with mesh venting blend keeps feet dry, inhibit bacteria growth. NON-SLIP – “Y” shaped deep heel pocket ensures that the sock fits the contours of the foot so perfectly and WILL NOT SLIDE DOWN! BREATHABLE & MOISTURE-WICKING – Provides Soothes Aching Muscles, While the Fabric Maintains Airflow so Your Feet Stay Dry; Powerful moisture-wicking cotton with mesh venting blend keeps feet dry, inhibit bacteria growth. Need some help with the size? Description of the size will allow you to select the best fit for you. Medium size fits Shoe Size 6-12 US Large size fits Shoe Size 12-14 US. If you choose standard shipping instead of FBA service,it will be shipped by USPS and usually takes 7-15 work days to be delivered.Actually it won’t take so long time as it shows in Amazon Estimated Delivery Date.Click the “Add to Cart” button now!80% Combed Cotton/20% Antimicrobial Copper yarn – prevent painful blisters for training, sports, every day or simply relaxing.