The Smartwool Run Zero Cushion Ankle Socks provides an ankle-high design for extra protection on the trails as well as Shred Shield technology to reduce wear and added durability for any run. This breathable running sock features a Virtually Seamless toe to prevent blisters or chafing, Mesh zones that give ventilation that will keep feet cool and dry throughout the day. Additionally, the Merino wool fabric offers odour control and natural temperature for all-weather comfort.