Scientifically tested. Athlete approved. Zoot's Ultra CompressRx Socks continue to top the charts as a favorite piece of gear by endurance athletes all over the world. Updated with graduated muscle-specific zones of compression to stabilize muscles, reduce damage during exercise, and improve your performance. Keep your legs feeling fresh through training and racing with Zoot's Ultra CompressRx Sock.
ZoneRx - Muscle-specific zones of compression stabilize the calf muscles reducing muscle damage during exercise
CRx - Graduated compression from the ankle to the top of the calf that helps remove lactic acid and improve blood circulation back to the heart
SynchroRx provides moisture management and temperature regulation
Achilles tendon support; Padded foot soles prevent foot irritation