The 2XU Elite Compression Sock is a true hybrid between active and recovery wear. Super comfortable, light padding where it matters and breathable, you can’t beat this sock whether out on a run or recovering on the couch! Strategically placed fabric zones start in the foot bed, wrap the heel and ankle, then gradient compression ensures maximum venous return and muscle containment of the lower leg.ACTIVE USE, Running, Endurance/Aerobic Activities• Training, Competitions and Racing, General Outdoor Sporting ActivitiesRECOVERY USE, Post workout or competition, Extended periods in a static or sedentary position, Sleeping, Rehab from injury or surgery, DVT protection when traveling.