2XU Men's Hyoptik Athletic Reflective Compression Socks 100% Other Fibers Imported Benefits: PWX compression supports the shin, calf, ankle, Achilles and arch of the foot | muscle containment for reduced vibrations & oscillation, less muscle fatigue & damage | graduated compression fit for circulatory benefits & faster recovery Features: linked toe cage and light padding in foot bed for added comfort |3 reflective strip for visibility | moisture management | antibacterial & spf 50 sun protection Fabrics: invista Lycra for Certified Gradient compression | medical circular 360 degree knit construction creates a consistent yet powerful pressure Active + recovery: running, endurance activities, workout sessions, competitions, racing and general sporting activities | post workout or competition, rehab from injury or surgery, sleeping and DVT protection when traveling Warranty + care: 12-month Warranty with proof of purchase from an authorized 2XU seller. Machine wash in cold water and hang to dry