More comfort = more miles. Our Run Targeted Cushion Compression Over-the-Calf Socks deliver a seamless balance of cushion and compression to help your feet carry you through longer distance runs. With 20-30 mmHg of graduated compression, 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. Features 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 Country of Manufacture: United States Composition 49% Merino Wool, 12% Nylon, 31% Recycled Nylon, 8% Elastane Care Do not bleach. Do not dry clean. Tumble dry low. Do not iron. Wash inside out. Machine wash cold or warm. Gentle or delicate cycle. Tumble dry on low heat.