Compression socks (also known as compression stockings) are stretchy socks that apply pressure to your legs and ankles. The pressure is gentle yet effective. In many people, especially obese people, the socks have relieved pain and decreased swelling. The socks tend to be more snug around the ankles and loosen up around the calves. All-Day Comfort + Support Increase circulation Improve leg and foot comfort Relief from pain, aches, and fatigue Reduce soreness, swelling, and inflammation Improve Recovery and Endurance Reduce muscle recovery time Relief for muscle stiffness and pain Prevent strain, injury, and fatigue Decrease lactic acid build-up