We can always see the polices wearing the gloves when they are on duty. Why are they wearing the gloves? What can the gloves do? Most of the policemen wear the gloves to protect their hands. When the police arrest someone, they definitely would have some body contact. The gloves can be a protective barrier incase the suspect will through up something wet themselves. And with the gloves, the policemen can protect themselves incase the suspect would have something sharp, which can hurt the policemen.