Palm Protectors are a very thin, protective layer offering full coverage protection of the palm as well as the saddle area between the index finger and thumb. The Palm Protectors also aid in reducing the dreaded “Arm Pump” by absorbing vibration transferred through the handlebars. Worn under the gloves, riders don't even notice the ultra thin Palm Protectors, but they do recognize the vibration reduction and much needed protection against blisters.