I ca n't honestly say that I noticed any difference in performance .
A HUGE benefit was that while I was running through an overgrown stretch of trail , the sleeves protected my calves from the grasses and burdock .
I ca n't honestly say that I noticed any difference in performance , but a HUGE benefit was that while I was running through an overgrown stretch of trail , the sleeves protected my calves from the grasses and burdock .