Protects Against Blisters and Reduces Vibration. Motocross and trail riders are all too familiar with blisters. They can tear up the hands of even the strongest riders. Blisters can make holding onto your handlebars a painful and sometimes dangerous experience due to loss of grip. They can single handedly take the enjoyment out of your ride, force you to take. Knowing the debilitating effects of blisters, it was the goal of Risk Racing engineers to develop a solution that offered full coverage protection to the areas of the hand which are affected by intense friction, rubbing, heat and moisture. Motocross racers, trail riders, and road racers alike can benefit from the Palm Protectors. Ultimate protection against blisters. Full coverage palm protection. Grip flange protection between thumb and forefinger. Ultra-thin armor worn underneath gloves. Vibration reduction.