58% Nylon, 28% Moisture-Wicking Fabric, 14% Elastane Imported Elastic closure Machine Wash COMPRESSION FIT - Full compression socks are fully covered with premium elastic, socks are designed with med-compressed and elasticity (15-20 mmHg) to provide boost to your blood circulation, comfort, 360 protection for your feet and no slipping, no bunching, no blisters EXCELLENT SOLE DESIGN: Terry structure, shock absorption, softness, avoid blisters, breathable; Moisture wicking and durable material, pulls moisture away from skin, fast drying, this is not the kind of sock you replace after 10 washes; Unique airflow structure design (Distinguish left and right feet), dry and comfortable MOISTURE CONTROL: Moisture wicking material, feature air-flow channel sweat-wicking technology and the instep mesh zones, these features enhance ventilation and moisture management, offer added breathability for all-day wear