Wearing your proracing armsleeves after exercising will improve your recovery by reducing muscle soreness and eliminating lactic acid the pro racing arm sleeves features progressive compression combined with a 360 degree shock absorber to reduce the vibrations on muscles veins and joints the pro racing arm sleeve is 100 seamless using a special thermo regulated knit to protect from wind chill whilst remaining breathable with sanitized treatment to prevent the growth of bacteria and naturall