Hometek Lightweight Pro Athlete Compression Socks are important to you your lower leg muscles for performance. It gives better oxygenated blood flow circulation meaning that it provides more oxygen and nutrients to your cells to for better performance and muscle recovery. It helps decrease the release of lactic acid that contributes to fatigue leading to decreased performance and muscle soreness. It absorbs the vibration to your leg muscle from physical activity such as running or playing sports that contributes to muscle fatigue. Compression helps in blood circulation so it helps speed up the release of the lactic acids so that your muscle can recover faster from muscle fatigue. To sum up the all the good things of a compression socks, gives better blood circulation giving more oxygen and nutrients for quicker recovery and better performance and, it decreases the release of lactic acid that is the leading factor of fatigue leading to muscle soreness and poor performance. Compression Socks is also great for medical purpose such as varicose veins, spider veins or someone who just had a surgery. Doctors can prescribe you compression socks. It helps swelling legs, aching and feeling heavy legs, and preventing blood clots especially after an injury or surgery when you're less active.