More comfort = more miles. Our Women's Run Targeted Cushion Compression Over the Calf Socks deliver the perfect balance of cushion and compression to help your feet carry you through longer distance runs. With 20-30 mmHg of graduated compression, mapped durability zones, and a breathable mesh patterning in the leg of the sock, these comfortable, capable run socks are ready to help you go even farther. Sock Height: Over the Calf 20-30 mmHg Graduated Compression Mesh patterning in the leg of the sock for improved breathability Indestructawool™ technology with extended durability zones Mesh zones for added breathability Virtually Seamless™ toe for enhanced comfort Women's specific fit Made in the USA of Imported Yarn: 49% Merino Wool 12% Nylon 31% Recycled Nylon 8% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.